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Mo::option(3)	      User Contributed Perl Documentation	 Mo::option(3)

Name
       Mo::option - Allow an attribute to be a chainable, boolean option.

Synopsis
	   package Foo;

	   use Mo qw'option';
	   has this => ( option	=> 1 );
	   has that => ( option	=> 1 );

	   my $f = Foo->new;
	   $f->this->that(0)->do_something;

	   my $this = $f->read_this;   # 1
	   my $that = $f->read_that;   # 0

	   $f->do_something if $f->read_this;

Description
       This feature lets an accessor act as an option, that is intended	to
       have a value of 1 or 0. Simply calling the accessor sets	the value to
       1, and returns the instance so you can chain to the next	method.

       To get the value	of the attribute, call the "read_<name>" accessor.
       Here's a	trick to do that when you are not assigning the	value to
       anything:

perl v5.24.1			  2016-07-06			 Mo::option(3)

Name | Synopsis | Description

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