Revision history for Struct-Path

0.80    2017-12-22
        hash definition format changed, exported subs renamed to avoid ambigouseness
        path() now works with scalars as is (ref not required)
        both changes are breaking back compatibility, sorry

0.74    2017-11-20
        entire thing replacement fixed in spath()

0.73    2017-11-03
        hooks supported in spath_delta()
        hooks: set $_ to substructure pointed by current step
        spelling corrected, cosmetics

0.72    2017-10-15
        spath(): sane errors for out of range negative array indexes
        croak if empty path and delete opt passed to spath()

0.71    2017-06-27
        'assign' opt to spath() added
        grow arrays smoothly if 'append' for 'expand' specified in spath() (experimental)

0.70    2017-06-20
        slist() now returns path-ref pairs in common list
        spath w opt expand may overwrite existed values now if strict opt permit so
        croak if nonref passed for structure in spath()
        output format changed for spath w 'paths' opt
        'stack' opt to spath() added

0.65    2017-05-04
        slist() now also returns references to values
        refactoring

0.64    2017-03-15
        is_implicit_step() subroutine added

0.63    2017-02-22
        docs improved

0.62    2017-01-23
        'paths' opt for spath() added (highly experimental)

0.61    2017-01-15
        discard path if coderef returned false value
        slist() refactored (~15% faster now)

0.60    2016-12-05
        regexp match for hash keys specification supported

0.52    2016-11-28
        Array's items removal fixed (don't fail on out of range indexes in nostrict mode)

0.51    2016-11-27
        Array's items removal fixed (don't remove items from specified to the end)

0.50    2016-08-30
        Coderefs as path steps in spath() supported

0.41    2016-08-19
        spath_delta(): don't return full second path if it's a subset of first one

0.40    2016-08-18
        spath_delta() appeared

0.33    2016-08-11
        Dist corrected, tests refactored

0.32    2016-08-05
        Any thing as a structure accepted by spath() from now on

0.31    2016-08-01
        Pod corrected

0.30    2016-07-30
        slist() appeared

0.21    2016-07-07
        Addressing method in pod described
        Unsignificant refactoring

0.20    2016-06-28
        Path structure format changed (hashes definition)

0.12    2016-06-13
        Pod and dist corrected

0.11    2016-06-12
        'expand' opt for spath() implemented

0.10    2016-05-22
        'delete' opt for spath() implemented

0.09    2016-05-22
        Pod and dist corrected, unused code removed

0.08    2016-05-16
        'strict' opt appeared
        tests and dist cleaned up
        cosmetics

0.04    2016-04-29
        'deref' opt for spath() added

0.01    2016-04-27
        spath() appeared.
        Draft.