藤 吾郎 > MouseX-NativeTraits-1.09 > MouseX::NativeTraits::Bool

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NAME ^

MouseX::NativeTraits::Bool - Helper trait for Bool attributes

SYNOPSIS ^

  package Room;
  use Mouse;

  has 'is_lit' => (
      traits    => ['Bool'],
      is        => 'rw',
      isa       => 'Bool',
      default   => 0,
      handles   => {
          illuminate  => 'set',
          darken      => 'unset',
          flip_switch => 'toggle',
          is_dark     => 'not',
      },
  );

  my $room = Room->new();
  $room->illuminate;     # same as $room->is_lit(1);
  $room->darken;         # same as $room->is_lit(0);
  $room->flip_switch;    # same as $room->is_lit(not $room->is_lit);
  return $room->is_dark; # same as !$room->is_lit

DESCRIPTION ^

This provides a simple boolean attribute, which supports most of the basic math operations.

PROVIDED METHODS ^

These methods are implemented in MouseX::NativeTraits::MethodProvider::Bool. It is important to note that all those methods do in place modification of the value stored in the attribute.

set

Sets the value to true.

unset

Set the value to false.

toggle

Toggles the value. If it's true, set to false, and vice versa.

not

Equivalent of 'not $value'.

METHODS ^

meta
method_provider_class
helper_type

SEE ALSO ^

MouseX::NativeTraits.

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