NAME

MoobX::Observer - a MoobX object reacting to observable variable changes

VERSION

version 0.1.2

SYNOPSIS

    use MoobX;
    use MoobX::Observer;

    observable( my $foo = 'hi' );

    my $obs = MoobX::Observer->new(
        generator => sub { scalar reverse $foo } 
    );

    $foo = 'hello';

    say $obs; # prints 'olleh'

DESCRIPTION

This class implements the observer object used by MoobX.

OVERLOADED OPERATIONS

MoobX::Observer objects are stringified using their value attribute.

METHODS

new

    my $obs = MoobX::Observer->new(
        generator => sub { ... },
        autorun    => 1,
    );

Constructor. Accepts two arguments:

generator

Function generating the observer value. Required.

autorun

If set to true, the observer will eagerly compute its value at creation time, and recompute it as soon as a dependency changes. Defaults to false.

value

Returns the currently cached observer's value.

AUTHOR

Yanick Champoux <yanick@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2022, 2017 by Yanick Champoux.

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