NAME

   Class::Tiny::Immutable - Minimalist class construction, with read-only
   attributes

SYNOPSIS

   In Person.pm:

     package Person;

     use Class::Tiny::Immutable qw( name );

     1;

   In Employee.pm:

     package Employee;
     use parent 'Person';

     use Class::Tiny::Immutable qw( ssn ), {
       timestamp => sub { time }   # lazy attribute with default
     };

     1;

   In example.pl:

     use Employee;

     my $obj = Employee->new; # dies, name and ssn attributes are required
     my $obj = Employee->new( name => "Larry", ssn => "111-22-3333" );

     my $name = $obj->name;
     my $timestamp = $obj->timestamp;

     # no attributes can be set
     $obj->ssn("222-33-4444"); # dies
     $obj->timestamp(time); # dies

DESCRIPTION

   Class::Tiny::Immutable is a wrapper around Class::Tiny which makes the
   generated attributes read-only, and required to be set in the object
   constructor if they do not have a lazy default defined. In other words,
   attributes are either "lazy" or "required".

METHODS

   In addition to methods inherited from Class::Tiny,
   Class::Tiny::Immutable defines the following additional introspection
   method:

get_all_required_attributes_for

     my @required = Class::Tiny::Immutable->get_all_required_attributes_for($class);

   Returns an unsorted list of required attributes known to
   Class::Tiny::Immutable for a class and its superclasses.

BUGS

   Report any issues on the public bugtracker.

AUTHOR

   Dan Book <[email protected]>

COPYRIGHT AND LICENSE

   This software is Copyright (c) 2017 by Dan Book.

   This is free software, licensed under:

     The Artistic License 2.0 (GPL Compatible)

SEE ALSO

   Moo, MooseX::AttributeShortcuts

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