NAME

Data::Object

ABSTRACT

Object-Orientation for Perl 5

SYNOPSIS

package main;

use Data::Object;

my $array = Box Array [1..4];

# my $iterator = $array->iterator;

# $iterator->next; # 1

DESCRIPTION

This package automatically exports and provides constructor functions for creating chainable data type objects from raw Perl data types.

LIBRARIES

This package uses type constraints from:

Data::Object::Types

FUNCTIONS

This package implements the following functions:

args

Args(HashRef $data) : InstanceOf["Data::Object::Args"]

The Args function returns a Data::Object::Args object.

Args example #1

package main;

use Data::Object 'Args';

my $args = Args; # [...]

Args example #2

package main;

my $args = Args {
  subcommand => 0
};

# $args->subcommand;

array

Array(ArrayRef $data) : InstanceOf["Data::Object::Array"]

The Array function returns a Data::Object::Box which wraps a Data::Object::Array object.

Array example #1

package main;

my $array = Array; # []

Array example #2

package main;

my $array = Array [1..4];

boolean

Boolean(Bool $data) : BooleanObject

The Boolean function returns a Data::Object::Boolean object representing a true or false value.

Boolean example #1

package main;

my $boolean = Boolean;

Boolean example #2

package main;

my $boolean = Boolean 0;

box

Box(Any $data) : InstanceOf["Data::Object::Box"]

The Box function returns a Data::Object::Box object representing a data type object which is automatically deduced.

Box example #1

package main;

my $box = Box;

Box example #2

package main;

my $box = Box 123;

Box example #3

package main;

my $box = Box [1..4];

Box example #4

package main;

my $box = Box {1..4};

code

Code(CodeRef $data) : InstanceOf["Data::Object::Code"]

The Code function returns a Data::Object::Box which wraps a Data::Object::Code object.

Code example #1

package main;

my $code = Code;

Code example #2

package main;

my $code = Code sub { shift };

data

Data(Str $file) : InstanceOf["Data::Object::Data"]

The Data function returns a Data::Object::Data object.

Data example #1

package main;

use Data::Object 'Data';

my $data = Data;

Data example #2

package main;

my $data = Data 't/Data_Object.t';

# $data->contents(...);

error

Error(Str | HashRef) : InstanceOf["Data::Object::Exception"]

The Error function returns a Data::Object::Exception object.

Error example #1

package main;

use Data::Object 'Error';

my $error = Error;

# die $error;

Error example #2

package main;

my $error = Error 'Oops!';

# die $error;

Error example #3

package main;

my $error = Error {
  message => 'Oops!',
  context => { time => time }
};

# die $error;

false

False() : BooleanObject

The False function returns a Data::Object::Boolean object representing a false value.

False example #1

package main;

my $false = False;

float

Float(Num $data) : InstanceOf["Data::Object::Float"]

The Float function returns a Data::Object::Box which wraps a Data::Object::Float object.

Float example #1

package main;

my $float = Float;

Float example #2

package main;

my $float = Float '0.0';

hash

Hash(HashRef $data) : InstanceOf["Data::Object::Hash"]

The Hash function returns a Data::Object::Box which wraps a Data::Object::Hash object.

Hash example #1

package main;

my $hash = Hash;

Hash example #2

package main;

my $hash = Hash {1..4};

name

Name(Str $data) : InstanceOf["Data::Object::Name"]

The Name function returns a Name::Object::Name object.

Name example #1

package main;

use Data::Object 'Name';

my $name = Name 'Example Title';

# $name->package;

number

Number(Num $data) : InstanceOf["Data::Object::Number"]

The Number function returns a Data::Object::Box which wraps a Data::Object::Number object.

Number example #1

package main;

my $number = Number;

Number example #2

package main;

my $number = Number 123;

opts

Opts(HashRef $data) : InstanceOf["Data::Object::Opts"]

The Opts function returns a Data::Object::Opts object.

Opts example #1

package main;

use Data::Object 'Opts';

my $opts = Opts;

Opts example #2

package main;

my $opts = Opts {
  spec => ['files|f=s']
};

# $opts->files; [...]

regexp

Regexp(RegexpRef $data) : InstanceOf["Data::Object::Regexp"]

The Regexp function returns a Data::Object::Box which wraps a Data::Object::Regexp object.

Regexp example #1

package main;

my $regexp = Regexp;

Regexp example #2

package main;

my $regexp = Regexp qr/.*/;

scalar

Scalar(Ref $data) : InstanceOf["Data::Object::Scalar"]

The Scalar function returns a Data::Object::Box which wraps a Data::Object::Scalar object.

Scalar example #1

package main;

my $scalar = Scalar;

Scalar example #2

package main;

my $scalar = Scalar \*main;

space

Space(Str $data) : InstanceOf["Data::Object::Space"]

The Space function returns a Data::Object::Space object.

Space example #1

package main;

use Data::Object 'Space';

my $space = Space 'Example Namespace';

string

String(Str $data) : InstanceOf["Data::Object::String"]

The String function returns a Data::Object::Box which wraps a Data::Object::String object.

String example #1

package main;

my $string = String;

String example #2

package main;

my $string = String 'abc';

struct

Struct(HashRef $data) : InstanceOf["Data::Object::Struct"]

The Struct function returns a Data::Object::Struct object.

Struct example #1

package main;

use Data::Object 'Struct';

my $struct = Struct;

Struct example #2

package main;

my $struct = Struct {
  name => 'example',
  time => time
};

true

True() : BooleanObject

The True function returns a Data::Object::Boolean object representing a true value.

True example #1

package main;

my $true = True;

undef

Undef() : InstanceOf["Data::Object::Undef"]

The Undef function returns a Data::Object::Undef object representing the undefined value.

Undef example #1

package main;

my $undef = Undef;

vars

Vars() : InstanceOf["Data::Object::Vars"]

The Vars function returns a Data::Object::Vars object representing the available environment variables.

Vars example #1

package main;

use Data::Object 'Vars';

my $vars = Vars;

Vars example #2

package main;

my $vars = Vars {
  user => 'USER'
};

# $vars->user; # $USER

AUTHOR

Al Newkirk, awncorp@cpan.org

LICENSE

Copyright (C) 2011-2019, Al Newkirk, et al.

This is free software; you can redistribute it and/or modify it under the terms of the The Apache License, Version 2.0, as elucidated in the "license file".

PROJECT

Wiki

Project

Initiatives

Milestones

Contributing

Issues

cpanm Data::Object

perl -MCPAN -e shell
install Data::Object