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| Template Toolkit | Modules | Template::Namespace::Constants |

## Template::Namespace::Constants

| Template::Iterator

Template::Parser |

Compile time constant folding

### Table of Contents

- SYNOPSIS
- DESCRIPTION
- PUBLIC METHODS
  - new(\%constants)
  - ident(\@ident)
- AUTHOR
- VERSION
- COPYRIGHT
- SEE ALSO

SYNOPSIS | [ Index ] [ Modules ] [ Top ]

        # easy way to define constants
        use Template;

        my $tt = Template->new({
    	CONSTANTS => {
    	    pi => 3.14,
    	    e  => 2.718,
    	},
        });

        # nitty-gritty, hands-dirty way
        use Template::Namespace::Constants;

        my $tt = Template->new({
    	NAMESPACE => {
    	    constants => Template::Namespace::Constants->new({
    		pi => 3.14,
    	        e  => 2.718,
                },
    	},
        });

DESCRIPTION | [ Index ] [ Modules ] [ Top ]

The Template::Namespace::Constants module implements a namespace handler which is plugged into the Template::Directive compiler module. This then performs compile time constant folding of variables in a particular namespace.

PUBLIC METHODS | [ Index ] [ Modules ] [ Top ]

### new(\%constants)

The new() constructor method creates and returns a reference to a new Template::Namespace::Constants object. This creates an internal stash to store the constant variable definitions passed as arguments.

        my $handler = Template::Namespace::Constants->new({
    	pi => 3.14,
    	e  => 2.718,
        });

### ident(\@ident)

Method called to resolve a variable identifier into a compiled form. In this case, the method fetches the corresponding constant value from its internal stash and returns it.

AUTHOR | [ Index ] [ Modules ] [ Top ]

Andy Wardley <abw@andywardley.com> http://www.andywardley.com/

VERSION | [ Index ] [ Modules ] [ Top ]

1.09, distributed as part of the Template Toolkit version 2.08, released on 30 July 2002.

COPYRIGHT | [ Index ] [ Modules ] [ Top ]

      Copyright (C) 1996-2002 Andy Wardley.  All Rights Reserved.
      Copyright (C) 1998-2002 Canon Research Centre Europe Ltd.

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

SEE ALSO | [ Index ] [ Modules ] [ Top ]

Template::Directive

| Template::Iterator

Template::Parser |

| Tutorial |

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| Modules |

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| http://www.template-toolkit.org/ |