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MouseX::NativeTraits::Counter(3) User Contributed Perl Documentation MouseX::NativeTraits::Counter(3)
 

MouseX::NativeTraits::Counter - Helper trait for counter attributes

  package MyHomePage;
  use Mouse;
  has 'counter' => (
      traits    => ['Counter'],
      is        => 'ro',
      isa       => 'Num',
      default   => 0,
      handles   => {
          inc_counter   => 'inc',
          dec_counter   => 'dec',
          reset_counter => 'reset',
      },
  );
  my $page = MyHomePage->new();
  $page->inc_counter; # same as $page->counter( $page->counter + 1 );
  $page->dec_counter; # same as $page->counter( $page->counter - 1 );

This module provides a simple counter attribute, which can be incremented and decremented.
If your attribute definition does not include any of is, isa, default or handles but does use the "Counter" trait, then this module applies defaults as in the "SYNOPSIS" above. This allows for a very basic counter definition:
  has 'foo' => (traits => ['Counter']);
  $obj->inc_foo;

These methods are implemented in MouseX::NativeTraits::MethodProvider::Counter. It is important to note that all those methods do in place modification of the value stored in the attribute.
set($value)
Set the counter to the specified value.
inc
Increments the value stored in this slot by 1. Providing an argument will cause the counter to be increased by specified amount.
dec
Decrements the value stored in this slot by 1. Providing an argument will cause the counter to be increased by specified amount.
reset
Resets the value stored in this slot to it's default value.

meta
method_provider_class
helper_type

MouseX::NativeTraits
2012-11-26 perl v5.28.1

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