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<span class="siteTitle">NYTProf Performance Profile</span>
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For examples/Atom-timer.pl
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<span class="siteSubtitle">Run on Mon Aug 12 14:45:28 2013<br />Reported on Mon Aug 12 14:46:14 2013</span>
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<table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/dde/perl5/perlbrew/perls/5.18.0t/lib/site_perl/5.18.0/Try/Tiny.pm">/Users/dde/perl5/perlbrew/perls/5.18.0t/lib/site_perl/5.18.0/Try/Tiny.pm</a></td></tr>
<tr><td class="h">Statements</td><td align="left">Executed 16473 statements in 11.2ms</td></tr></table>
<table id="subs_table" border="1" cellpadding="0" class="tablesorter">
<caption>Subroutines</caption>
<thead>
<tr>
<th>Calls</th>
<th><span title="Number of Places sub is called from">P</span></th>
<th><span title="Number of Files sub is called from">F</span></th>
<th>Exclusive<br />Time</th>
<th>Inclusive<br />Time</th>
<th>Subroutine</th>
</tr>
</thead>
<tbody>
<tr><td class="c0">650</td><td class="c0">13</td><td class="c0">10</td><td class="c0"><span title="0.1%">8.61ms</span></td><td class="c0"><span title="2.6%">402ms</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::try</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#26">try</a> (recurses: max depth 4, inclusive time 315ms)</td></tr>
<tr><td class="c0">621</td><td class="c0">11</td><td class="c0">8</td><td class="c0"><span title="0.0%">1.39ms</span></td><td class="c0"><span title="0.0%">1.39ms</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::catch</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#118">catch</a></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">826µs</span></td><td class="c0"><span title="0.0%">1.04ms</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::ScopeGuard::::BEGIN@144</span>Try::Tiny::ScopeGuard::<a href="Try-Tiny-pm-47-line.html#144">BEGIN@144</a></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">31µs</span></td><td class="c0"><span title="0.0%">604µs</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::BEGIN@20</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#20">BEGIN@20</a></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">8µs</span></td><td class="c3"><span title="0.0%">8µs</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::BEGIN@8</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#8">BEGIN@8</a></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">7µs</span></td><td class="c3"><span title="0.0%">7µs</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::BEGIN@2</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#2">BEGIN@2</a></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">6µs</span></td><td class="c3"><span title="0.0%">34µs</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::BEGIN@17</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#17">BEGIN@17</a></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">6µs</span></td><td class="c3"><span title="0.0%">9µs</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::BEGIN@12</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#12">BEGIN@12</a></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">5µs</span></td><td class="c3"><span title="0.0%">53µs</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::BEGIN@14</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#14">BEGIN@14</a></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">5µs</span></td><td class="c3"><span title="0.0%">16µs</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::BEGIN@11</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#11">BEGIN@11</a></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::ScopeGuard::::DESTROY</span>Try::Tiny::ScopeGuard::<a href="Try-Tiny-pm-47-line.html#151">DESTROY</a></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::ScopeGuard::::_new</span>Try::Tiny::ScopeGuard::<a href="Try-Tiny-pm-47-line.html#146">_new</a></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::__ANON__[:20]</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#20">__ANON__[:20]</a></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Try::Tiny::::finally</span> Try::Tiny::<a href="Try-Tiny-pm-47-line.html#129">finally</a></td></tr>
</tbody></table>
Call graph for these subroutines as a
<a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a>
<a href="Users-dde-perl5-perlbrew-perls-5-18-0t-lib-site_perl-5-18-0-Try-Tiny-pm.dot">dot language file</a>.
<table border="1" cellpadding="0">
<thead>
<tr><th>Line</th>
<th><span title="Number of statements executed">State<br />ments</span></th>
<th><span title="Time spend executing statements on the line,
excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
<th><span title="Number of subroutines calls">Calls</span></th>
<th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th>
<th class="left_indent_header">Code</th>
</tr>
</thead>
<tbody>
<tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package Try::Tiny;</td></tr>
<tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 7µs within Try::Tiny::BEGIN@2 which was called:
# once (7µs+0s) by Module::Implementation::BEGIN@13 at <a href="Try-Tiny-pm-47-line.html#4">line 4</a></div></div>BEGIN {</td></tr>
<tr><td class="h"><a name="3"></a>3</td><td class="c3">1</td><td class="c3"><span title="Avg 4µs">4µs</span></td><td></td><td></td><td class="s"> $Try::Tiny::AUTHORITY = 'cpan:NUFFIN';</td></tr>
<tr><td class="h"><a name="4"></a>4</td><td class="c3">1</td><td class="c3"><span title="Avg 24µs">24µs</span></td><td class="c3">1</td><td class="c3">7µs</td><td class="s">}<div class="calls"><div class="calls_out"># spent 7µs making 1 call to <a href="Try-Tiny-pm-47-line.html#2">Try::Tiny::BEGIN@2</a></div></div></td></tr>
<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s">{</td></tr>
<tr><td class="h"><a name="6"></a>6</td><td class="c3">2</td><td class="c3"><span title="Avg 400ns">800ns</span></td><td></td><td></td><td class="s"> $Try::Tiny::VERSION = '0.16';</td></tr>
<tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="8"></a>8</td><td class="c3">2</td><td class="c3"><span title="Avg 18µs">35µs</span></td><td class="c3">1</td><td class="c3">8µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 8µs within Try::Tiny::BEGIN@8 which was called:
# once (8µs+0s) by Module::Implementation::BEGIN@13 at <a href="Try-Tiny-pm-47-line.html#8">line 8</a></div></div>use 5.006;<div class="calls"><div class="calls_out"># spent 8µs making 1 call to <a href="Try-Tiny-pm-47-line.html#8">Try::Tiny::BEGIN@8</a></div></div></td></tr>
<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s"># ABSTRACT: minimal try/catch with proper preservation of $@</td></tr>
<tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="11"></a>11</td><td class="c3">2</td><td class="c3"><span title="Avg 9µs">18µs</span></td><td class="c3">2</td><td class="c3">27µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 16µs (5+11) within Try::Tiny::BEGIN@11 which was called:
# once (5µs+11µs) by Module::Implementation::BEGIN@13 at <a href="Try-Tiny-pm-47-line.html#11">line 11</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 16µs making 1 call to <a href="Try-Tiny-pm-47-line.html#11">Try::Tiny::BEGIN@11</a>
# spent 11µs making 1 call to <a href="strict-pm-3-line.html#42">strict::import</a></div></div></td></tr>
<tr><td class="h"><a name="12"></a>12</td><td class="c3">2</td><td class="c3"><span title="Avg 35µs">70µs</span></td><td class="c3">2</td><td class="c3">12µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 9µs (6+3) within Try::Tiny::BEGIN@12 which was called:
# once (6µs+3µs) by Module::Implementation::BEGIN@13 at <a href="Try-Tiny-pm-47-line.html#12">line 12</a></div></div>use warnings;<div class="calls"><div class="calls_out"># spent 9µs making 1 call to <a href="Try-Tiny-pm-47-line.html#12">Try::Tiny::BEGIN@12</a>
# spent 3µs making 1 call to <a href="warnings-pm-4-line.html#406">warnings::import</a></div></div></td></tr>
<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="14"></a>14</td><td class="c3">2</td><td class="c3"><span title="Avg 17µs">34µs</span></td><td class="c3">2</td><td class="c3">101µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 53µs (5+48) within Try::Tiny::BEGIN@14 which was called:
# once (5µs+48µs) by Module::Implementation::BEGIN@13 at <a href="Try-Tiny-pm-47-line.html#14">line 14</a></div></div>use base 'Exporter';<div class="calls"><div class="calls_out"># spent 53µs making 1 call to <a href="Try-Tiny-pm-47-line.html#14">Try::Tiny::BEGIN@14</a>
# spent 48µs making 1 call to <a href="base-pm-36-line.html#58">base::import</a></div></div></td></tr>
<tr><td class="h"><a name="15"></a>15</td><td class="c3">1</td><td class="c3"><span title="Avg 1µs">1µs</span></td><td></td><td></td><td class="s">our @EXPORT = our @EXPORT_OK = qw(try catch finally);</td></tr>
<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="17"></a>17</td><td class="c3">2</td><td class="c3"><span title="Avg 20µs">40µs</span></td><td class="c3">2</td><td class="c3">62µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 34µs (6+28) within Try::Tiny::BEGIN@17 which was called:
# once (6µs+28µs) by Module::Implementation::BEGIN@13 at <a href="Try-Tiny-pm-47-line.html#17">line 17</a></div></div>use Carp;<div class="calls"><div class="calls_out"># spent 34µs making 1 call to <a href="Try-Tiny-pm-47-line.html#17">Try::Tiny::BEGIN@17</a>
# spent 28µs making 1 call to <a href="Exporter-pm-9-line.html#28">Exporter::import</a></div></div></td></tr>
<tr><td class="h"><a name="18"></a>18</td><td class="c3">1</td><td class="c3"><span title="Avg 500ns">500ns</span></td><td></td><td></td><td class="s">$Carp::Internal{+__PACKAGE__}++;</td></tr>
<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="20"></a>20</td><td class="c3">1</td><td class="c0"><span title="Avg 373µs">373µs</span></td><td class="c3">1</td><td class="c0">604µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 604µs (31+573) within Try::Tiny::BEGIN@20 which was called:
# once (31µs+573µs) by Module::Implementation::BEGIN@13 at <a href="Try-Tiny-pm-47-line.html#20">line 20</a></div></div>BEGIN { eval "use Sub::Name; 1" or *{subname} = sub {1} }<div class="calls"><div class="calls_out"># spent 604µs making 1 call to <a href="Try-Tiny-pm-47-line.html#20">Try::Tiny::BEGIN@20</a></div></div><div class="calls"><div class="calls_out"># spent 94µs executing statements in <a href="(eval 25)[Try-Tiny-pm-20]-49-line.html">string eval</a><br /># includes 243µs spent executing 1 call to 1 sub defined therein.</div></div></td></tr>
<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"># Need to prototype as @ not $$ because of the way Perl evaluates the prototype.</td></tr>
<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"># Keeping it at $$ means you only ever get 1 sub because we need to eval in a list</td></tr>
<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"># context & not a scalar one</td></tr>
<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 402ms (8.61+393) within Try::Tiny::try which was called 650 times, avg 618µs/call:
# 223 times (2.74ms+29.9ms) by Class::MOP::Attribute::_process_accessors at <a href="Class-MOP-Attribute-pm-102-line.html#401">line 401 of Class/MOP/Attribute.pm</a>, avg 146µs/call
# 151 times (1.99ms+282ms) by Class::MOP::Class::_post_add_attribute at <a href="Class-MOP-Class-pm-75-line.html#896">line 896 of Class/MOP/Class.pm</a>, avg 1.88ms/call
# 61 times (816µs+-816µs) by Moose::Meta::Method::Accessor::_compile_code at <a href="Moose-Meta-Method-Accessor-pm-140-line.html#47">line 47 of Moose/Meta/Method/Accessor.pm</a>, avg 0s/call
# 58 times (828µs+-828µs) by Class::MOP::Method::Accessor::_generate_reader_method_inline at <a href="Class-MOP-Method-Accessor-pm-80-line.html#157">line 157 of Class/MOP/Method/Accessor.pm</a>, avg 0s/call
# 44 times (746µs+-746µs) by Class::MOP::Method::Accessor::_generate_accessor_method_inline at <a href="Class-MOP-Method-Accessor-pm-80-line.html#123">line 123 of Class/MOP/Method/Accessor.pm</a>, avg 0s/call
# 31 times (417µs+22.7ms) by Class::MOP::Method::Constructor::_generate_constructor_method_inline at <a href="Class-MOP-Method-Constructor-pm-85-line.html#115">line 115 of Class/MOP/Method/Constructor.pm</a>, avg 747µs/call
# 25 times (259µs+-184µs) by Moose::Util::does_role at <a href="Moose-Util-pm-132-line.html#54">line 54 of Moose/Util.pm</a>, avg 3µs/call
# 24 times (339µs+-339µs) by Class::MOP::Method::Accessor::_generate_predicate_method_inline at <a href="Class-MOP-Method-Accessor-pm-80-line.html#212">line 212 of Class/MOP/Method/Accessor.pm</a>, avg 0s/call
# 22 times (332µs+58.0ms) by Class::Load::try_load_class at <a href="Class-Load-pm-35-line.html#183">line 183 of Class/Load.pm</a>, avg 2.65ms/call
# 4 times (43µs+292µs) by Moose::Meta::Attribute::does at <a href="Moose-Meta-Attribute-pm-138-line.html#45">line 45 of Moose/Meta/Attribute.pm</a>, avg 84µs/call
# 3 times (53µs+2.72ms) by Module::Implementation::_load_implementation at <a href="Module-Implementation-pm-45-line.html#93">line 93 of Module/Implementation.pm</a>, avg 925µs/call
# 3 times (39µs+-39µs) by Class::MOP::Method::Accessor::_generate_writer_method_inline at <a href="Class-MOP-Method-Accessor-pm-80-line.html#187">line 187 of Class/MOP/Method/Accessor.pm</a>, avg 0s/call
# once (15µs+152µs) by Moose::Meta::Method::Destructor::_initialize_body at <a href="Moose-Meta-Method-Destructor-pm-126-line.html#106">line 106 of Moose/Meta/Method/Destructor.pm</a></div></div>sub try (&;@) {</td></tr>
<tr><td class="h"><a name="27"></a>27</td><td class="c1">650</td><td class="c1"><span title="Avg 308ns">200µs</span></td><td></td><td></td><td class="s"> my ( $try, @code_refs ) = @_;</td></tr>
<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"> # we need to save this here, the eval block will be in scalar context due</td></tr>
<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"> # to $failed</td></tr>
<tr><td class="h"><a name="31"></a>31</td><td class="c1">650</td><td class="c3"><span title="Avg 136ns">89µs</span></td><td></td><td></td><td class="s"> my $wantarray = wantarray;</td></tr>
<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="33"></a>33</td><td class="c1">650</td><td class="c3"><span title="Avg 11ns">7µs</span></td><td></td><td></td><td class="s"> my ( $catch, @finally );</td></tr>
<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"> # find labeled blocks in the argument list.</td></tr>
<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s"> # catch and finally tag the blocks by blessing a scalar reference to them.</td></tr>
<tr><td class="h"><a name="37"></a>37</td><td class="c1">650</td><td class="c0"><span title="Avg 358ns">233µs</span></td><td></td><td></td><td class="s"> foreach my $code_ref (@code_refs) {</td></tr>
<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="39"></a>39</td><td class="c3">621</td><td class="c0"><span title="Avg 825ns">513µs</span></td><td></td><td></td><td class="s"> if ( ref($code_ref) eq 'Try::Tiny::Catch' ) {</td></tr>
<tr><td class="h"><a name="40"></a>40</td><td class="c3">621</td><td class="c3"><span title="Avg 3ns">2µs</span></td><td></td><td></td><td class="s"> croak 'A try() may not be followed by multiple catch() blocks'</td></tr>
<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s"> if $catch;</td></tr>
<tr><td class="h"><a name="42"></a>42</td><td class="c3">621</td><td class="c2"><span title="Avg 204ns">127µs</span></td><td></td><td></td><td class="s"> $catch = ${$code_ref};</td></tr>
<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ( ref($code_ref) eq 'Try::Tiny::Finally' ) {</td></tr>
<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"> push @finally, ${$code_ref};</td></tr>
<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s"> croak(</td></tr>
<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s"> 'try() encountered an unexpected argument ('</td></tr>
<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s"> . ( defined $code_ref ? $code_ref : 'undef' )</td></tr>
<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s"> . ') - perhaps a missing semi-colon before or'</td></tr>
<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"> # FIXME consider using local $SIG{__DIE__} to accumulate all errors. It's</td></tr>
<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s"> # not perfect, but we could provide a list of additional errors for</td></tr>
<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"> # $catch->();</td></tr>
<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s"> # name the blocks if we have Sub::Name installed</td></tr>
<tr><td class="h"><a name="59"></a>59</td><td class="c1">650</td><td class="c1"><span title="Avg 303ns">197µs</span></td><td></td><td></td><td class="s"> my $caller = caller;</td></tr>
<tr><td class="h"><a name="60"></a>60</td><td class="c1">650</td><td class="c0"><span title="Avg 3µs">2.27ms</span></td><td class="c0">650</td><td class="c0">1.29ms</td><td class="s"> subname("${caller}::try {...} " => $try);<div class="calls"><div class="calls_out"> # spent 1.29ms making 650 calls to <a href="Sub-Name-pm-50-line.html#Sub__Name__subname">Sub::Name::subname</a>, avg 2µs/call</div></div></td></tr>
<tr><td class="h"><a name="61"></a>61</td><td class="c1">650</td><td class="c0"><span title="Avg 3µs">1.67ms</span></td><td class="c0">621</td><td class="c0">878µs</td><td class="s"> subname("${caller}::catch {...} " => $catch) if $catch;<div class="calls"><div class="calls_out"> # spent 878µs making 621 calls to <a href="Sub-Name-pm-50-line.html#Sub__Name__subname">Sub::Name::subname</a>, avg 1µs/call</div></div></td></tr>
<tr><td class="h"><a name="62"></a>62</td><td class="c1">650</td><td class="c1"><span title="Avg 317ns">206µs</span></td><td></td><td></td><td class="s"> subname("${caller}::finally {...} " => $_) foreach @finally;</td></tr>
<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"> # save the value of $@ so we can set $@ back to it in the beginning of the eval</td></tr>
<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s"> # and restore $@ after the eval finishes</td></tr>
<tr><td class="h"><a name="66"></a>66</td><td class="c1">650</td><td class="c3"><span title="Avg 109ns">71µs</span></td><td></td><td></td><td class="s"> my $prev_error = $@;</td></tr>
<tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="68"></a>68</td><td class="c1">650</td><td class="c3"><span title="Avg 3ns">2µs</span></td><td></td><td></td><td class="s"> my ( @ret, $error );</td></tr>
<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s"> # failed will be true if the eval dies, because 1 will not be returned</td></tr>
<tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s"> # from the eval body</td></tr>
<tr><td class="h"><a name="72"></a>72</td><td class="c1">650</td><td class="c0"><span title="Avg 359ns">234µs</span></td><td></td><td></td><td class="s"> my $failed = not eval {</td></tr>
<tr><td class="h"><a name="73"></a>73</td><td class="c1">650</td><td class="c3"><span title="Avg 68ns">44µs</span></td><td></td><td></td><td class="s"> $@ = $prev_error;</td></tr>
<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s"> # evaluate the try block in the correct context</td></tr>
<tr><td class="h"><a name="76"></a>76</td><td class="c1">650</td><td class="c0"><span title="Avg 1µs">712µs</span></td><td class="c0">273</td><td class="c0">319ms</td><td class="s"> if ( $wantarray ) {<div class="calls"><div class="calls_out"> # spent 218ms making 22 calls to <a href="examples-Atom-timer-pl-1-line.html#Class__Load__try_______">Class::Load::try {...} </a>, avg 9.90ms/call
# spent 54.6ms making 129 calls to <a href="examples-Atom-timer-pl-1-line.html#Class__MOP__Method__Accessor__try_______">Class::MOP::Method::Accessor::try {...} </a>, avg 423µs/call
# spent 23.1ms making 61 calls to <a href="examples-Atom-timer-pl-1-line.html#Moose__Meta__Method__Accessor__try_______">Moose::Meta::Method::Accessor::try {...} </a>, avg 379µs/call
# spent 22.6ms making 31 calls to <a href="examples-Atom-timer-pl-1-line.html#Class__MOP__Method__Constructor__try_______">Class::MOP::Method::Constructor::try {...} </a>, avg 729µs/call
# spent 284µs making 4 calls to <a href="examples-Atom-timer-pl-1-line.html#Moose__Meta__Attribute__try_______">Moose::Meta::Attribute::try {...} </a>, avg 71µs/call
# spent 148µs making 1 call to <a href="examples-Atom-timer-pl-1-line.html#Moose__Meta__Method__Destructor__try_______">Moose::Meta::Method::Destructor::try {...} </a>
# spent 89µs making 25 calls to <a href="examples-Atom-timer-pl-1-line.html#Moose__Util__try_______">Moose::Util::try {...} </a>, avg 4µs/call</div></div></td></tr>
<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s"> @ret = $try->();</td></tr>
<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ( defined $wantarray ) {</td></tr>
<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s"> $ret[0] = $try->();</td></tr>
<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
<tr><td class="h"><a name="81"></a>81</td><td class="c3">377</td><td class="c0"><span title="Avg 686ns">259µs</span></td><td class="c0">377</td><td class="c0">387ms</td><td class="s"> $try->();<div class="calls"><div class="calls_out"> # spent 291ms making 151 calls to <a href="examples-Atom-timer-pl-1-line.html#Class__MOP__Class__try_______">Class::MOP::Class::try {...} </a>, avg 1.93ms/call
# spent 93.6ms making 223 calls to <a href="examples-Atom-timer-pl-1-line.html#Class__MOP__Attribute__try_______">Class::MOP::Attribute::try {...} </a>, avg 420µs/call
# spent 2.70ms making 3 calls to <a href="examples-Atom-timer-pl-1-line.html#Module__Implementation__try_______">Module::Implementation::try {...} </a>, avg 901µs/call</div></div></td></tr>
<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
<tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="84"></a>84</td><td class="c2">649</td><td class="c1"><span title="Avg 261ns">169µs</span></td><td></td><td></td><td class="s"> return 1; # properly set $fail to false</td></tr>
<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
<tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s"> # preserve the current error and reset the original value of $@</td></tr>
<tr><td class="h"><a name="88"></a>88</td><td class="c1">650</td><td class="c3"><span title="Avg 115ns">75µs</span></td><td></td><td></td><td class="s"> $error = $@;</td></tr>
<tr><td class="h"><a name="89"></a>89</td><td class="c1">650</td><td class="c3"><span title="Avg 78ns">51µs</span></td><td></td><td></td><td class="s"> $@ = $prev_error;</td></tr>
<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s"> # set up a scope guard to invoke the finally block at the end</td></tr>
<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s"> my @guards =</td></tr>
<tr><td class="h"><a name="93"></a>93</td><td class="c1">650</td><td class="c0"><span title="Avg 339ns">220µs</span></td><td></td><td></td><td class="s"> map { Try::Tiny::ScopeGuard->_new($_, $failed ? $error : ()) }</td></tr>
<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s"> @finally;</td></tr>
<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s"> # at this point $failed contains a true value if the eval died, even if some</td></tr>
<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s"> # destructor overwrote $@ as the eval was unwinding.</td></tr>
<tr><td class="h"><a name="98"></a>98</td><td class="c1">650</td><td class="c3"><span title="Avg 102ns">66µs</span></td><td></td><td></td><td class="s"> if ( $failed ) {</td></tr>
<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s"> # if we got an error, invoke the catch block.</td></tr>
<tr><td class="h"><a name="100"></a>100</td><td class="c3">1</td><td class="c3"><span title="Avg 600ns">600ns</span></td><td></td><td></td><td class="s"> if ( $catch ) {</td></tr>
<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s"> # This works like given($error), but is backwards compatible and</td></tr>
<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"> # sets $_ in the dynamic scope for the body of C<$catch></td></tr>
<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"> for ($error) {</td></tr>
<tr><td class="h"><a name="104"></a>104</td><td class="c3">1</td><td class="c3"><span title="Avg 3µs">3µs</span></td><td class="c3">1</td><td class="c3">16µs</td><td class="s"> return $catch->($error);<div class="calls"><div class="calls_out"> # spent 16µs making 1 call to <a href="examples-Atom-timer-pl-1-line.html#Class__Load__catch_______">Class::Load::catch {...} </a></div></div></td></tr>
<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s"> # in case when() was used without an explicit return, the C<for></td></tr>
<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"> # loop will be aborted and there's no useful return value</td></tr>
<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"> return;</td></tr>
<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
<tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s"> # no failure, $@ is back to what it was, everything is fine</td></tr>
<tr><td class="h"><a name="114"></a>114</td><td class="c2">649</td><td class="c0"><span title="Avg 2µs">1.27ms</span></td><td></td><td></td><td class="s"> return $wantarray ? @ret : $ret[0];</td></tr>
<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 1.39ms within Try::Tiny::catch which was called 621 times, avg 2µs/call:
# 223 times (484µs+0s) by Class::MOP::Attribute::_process_accessors at <a href="Class-MOP-Attribute-pm-102-line.html#401">line 401 of Class/MOP/Attribute.pm</a>, avg 2µs/call
# 151 times (348µs+0s) by Class::MOP::Class::_post_add_attribute at <a href="Class-MOP-Class-pm-75-line.html#896">line 896 of Class/MOP/Class.pm</a>, avg 2µs/call
# 61 times (141µs+0s) by Moose::Meta::Method::Accessor::_compile_code at <a href="Moose-Meta-Method-Accessor-pm-140-line.html#47">line 47 of Moose/Meta/Method/Accessor.pm</a>, avg 2µs/call
# 58 times (119µs+0s) by Class::MOP::Method::Accessor::_generate_reader_method_inline at <a href="Class-MOP-Method-Accessor-pm-80-line.html#157">line 157 of Class/MOP/Method/Accessor.pm</a>, avg 2µs/call
# 44 times (92µs+0s) by Class::MOP::Method::Accessor::_generate_accessor_method_inline at <a href="Class-MOP-Method-Accessor-pm-80-line.html#123">line 123 of Class/MOP/Method/Accessor.pm</a>, avg 2µs/call
# 31 times (75µs+0s) by Class::MOP::Method::Constructor::_generate_constructor_method_inline at <a href="Class-MOP-Method-Constructor-pm-85-line.html#115">line 115 of Class/MOP/Method/Constructor.pm</a>, avg 2µs/call
# 24 times (49µs+0s) by Class::MOP::Method::Accessor::_generate_predicate_method_inline at <a href="Class-MOP-Method-Accessor-pm-80-line.html#212">line 212 of Class/MOP/Method/Accessor.pm</a>, avg 2µs/call
# 22 times (64µs+0s) by Class::Load::try_load_class at <a href="Class-Load-pm-35-line.html#183">line 183 of Class/Load.pm</a>, avg 3µs/call
# 3 times (10µs+0s) by Module::Implementation::_load_implementation at <a href="Module-Implementation-pm-45-line.html#93">line 93 of Module/Implementation.pm</a>, avg 3µs/call
# 3 times (6µs+0s) by Class::MOP::Method::Accessor::_generate_writer_method_inline at <a href="Class-MOP-Method-Accessor-pm-80-line.html#187">line 187 of Class/MOP/Method/Accessor.pm</a>, avg 2µs/call
# once (2µs+0s) by Moose::Meta::Method::Destructor::_initialize_body at <a href="Moose-Meta-Method-Destructor-pm-126-line.html#106">line 106 of Moose/Meta/Method/Destructor.pm</a></div></div>sub catch (&;@) {</td></tr>
<tr><td class="h"><a name="119"></a>119</td><td class="c3">621</td><td class="c1"><span title="Avg 281ns">174µs</span></td><td></td><td></td><td class="s"> my ( $block, @rest ) = @_;</td></tr>
<tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="121"></a>121</td><td class="c3">621</td><td class="c3"><span title="Avg 97ns">60µs</span></td><td></td><td></td><td class="s"> croak 'Useless bare catch()' unless wantarray;</td></tr>
<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s"> return (</td></tr>
<tr><td class="h"><a name="124"></a>124</td><td class="c3">621</td><td class="c0"><span title="Avg 2µs">1.48ms</span></td><td></td><td></td><td class="s"> bless(\$block, 'Try::Tiny::Catch'),</td></tr>
<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s"> @rest,</td></tr>
<tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s">sub finally (&;@) {</td></tr>
<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"> my ( $block, @rest ) = @_;</td></tr>
<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s"> croak 'Useless bare finally()' unless wantarray;</td></tr>
<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s"> return (</td></tr>
<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s"> bless(\$block, 'Try::Tiny::Finally'),</td></tr>
<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s"> @rest,</td></tr>
<tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
<tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s">{</td></tr>
<tr><td class="h"><a name="141"></a>141</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s"> package # hide from PAUSE</td></tr>
<tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s"> Try::Tiny::ScopeGuard;</td></tr>
<tr><td class="h"><a name="143"></a>143</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="144"></a>144</td><td class="c3">2</td><td class="c1"><span title="Avg 91µs">182µs</span></td><td class="c3">2</td><td class="c0">1.08ms</td><td class="s"><div class="calls"><div class="calls_in"># spent 1.04ms (826µs+217µs) within Try::Tiny::ScopeGuard::BEGIN@144 which was called:
# once (826µs+217µs) by Module::Implementation::BEGIN@13 at <a href="Try-Tiny-pm-47-line.html#144">line 144</a></div></div> use constant UNSTABLE_DOLLARAT => ($] < '5.013002') ? 1 : 0;<div class="calls"><div class="calls_out"> # spent 1.04ms making 1 call to <a href="Try-Tiny-pm-47-line.html#144">Try::Tiny::ScopeGuard::BEGIN@144</a>
# spent 34µs making 1 call to <a href="constant-pm-53-line.html#44">constant::import</a></div></div></td></tr>
<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"> sub _new {</td></tr>
<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"> shift;</td></tr>
<tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"> bless [ @_ ];</td></tr>
<tr><td class="h"><a name="149"></a>149</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"> sub DESTROY {</td></tr>
<tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s"> my ($code, @args) = @{ $_[0] };</td></tr>
<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"> local $@ if UNSTABLE_DOLLARAT;</td></tr>
<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"> eval {</td></tr>
<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s"> $code->(@args);</td></tr>
<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"> 1;</td></tr>
<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"> } or do {</td></tr>
<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s"> warn</td></tr>
<tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s"> "Execution of finally() block $code resulted in an exception, which "</td></tr>
<tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s"> . '*CAN NOT BE PROPAGATED* due to fundamental limitations of Perl. '</td></tr>
<tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s"> . 'Your program will continue as if this event never took place. '</td></tr>
<tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s"> . "Original exception text follows:\n\n"</td></tr>
<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"> . (defined $@ ? $@ : '$@ left undefined...')</td></tr>
<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s"> . "\n"</td></tr>
<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"> ;</td></tr>
<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s">__PACKAGE__</td></tr>
<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="173"></a>173</td><td class="c3">1</td><td class="c3"><span title="Avg 4µs">4µs</span></td><td></td><td></td><td class="s">__END__</td></tr>
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