Sub::HandlesVia::HandlerLibrary::Number(3) User Contributed Perl Documentation Sub::HandlesVia::HandlerLibrary::Number(3)

Sub::HandlesVia::HandlerLibrary::Number - library of number-related methods

package My::Class {
  use Moo;
  use Sub::HandlesVia;
  use Types::Standard 'Num';
  has attr => (
    is => 'rwp',
    isa => Num,
    handles_via => 'Number',
    handles => {
      'my_abs' => 'abs',
      'my_add' => 'add',
      'my_cmp' => 'cmp',
      'my_div' => 'div',
      'my_eq' => 'eq',
      'my_ge' => 'ge',
      'my_get' => 'get',
      'my_gt' => 'gt',
      'my_le' => 'le',
      'my_lt' => 'lt',
      'my_mod' => 'mod',
      'my_mul' => 'mul',
      'my_ne' => 'ne',
      'my_set' => 'set',
      'my_sub' => 'sub',
    },
  );
}

This is a library of methods for Sub::HandlesVia.

Finds the absolute value of the current number, updating the attribute.

my $object = My::Class->new( attr => -5 );
$object->my_abs;
say $object->attr; ## ==> 5

Arguments: Num.

Adds a number to the existing number, updating the attribute.

my $object = My::Class->new( attr => 4 );
$object->my_add( 5 );
say $object->attr; ## ==> 9

Arguments: Num.

Returns "$object->attr <=> $num".

Arguments: Num.

Divides the existing number by a number, updating the attribute.

my $object = My::Class->new( attr => 6 );
$object->my_div( 2 );
say $object->attr; ## ==> 3

Arguments: Num.

Returns "$object->attr == $num".

Arguments: Num.

Returns "$object->attr >= $num".

Returns the current value of the number.

my $object = My::Class->new( attr => 4 );
say $object->my_get; ## ==> 4

Arguments: Num.

Returns "$object->attr > $num".

Arguments: Num.

Returns "$object->attr <= $num".

Arguments: Num.

Returns "$object->attr < $num".

Arguments: Num.

Finds the current number modulo a divisor, updating the attribute.

my $object = My::Class->new( attr => 5 );
$object->my_mod( 2 );
say $object->attr; ## ==> 1

Arguments: Num.

Multiplies the existing number by a number, updating the attribute.

my $object = My::Class->new( attr => 2 );
$object->my_mul( 5 );
say $object->attr; ## ==> 10

Arguments: Num.

Returns "$object->attr != $num".

Arguments: Num.

Sets the number to a new value.

my $object = My::Class->new( attr => 4 );
$object->my_set( 5 );
say $object->attr; ## ==> 5

Arguments: Num.

Subtracts a number from the existing number, updating the attribute.

my $object = My::Class->new( attr => 9 );
$object->my_sub( 6 );
say $object->attr; ## ==> 3

Please report any bugs to https://github.com/tobyink/p5-sub-handlesvia/issues.

Sub::HandlesVia.

Toby Inkster <tobyink@cpan.org>.

This software is copyright (c) 2020, 2022 by Toby Inkster.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

2024-09-02 perl v5.40.0