パッケージ: libclass-virtual-perl (0.08-3)

[ ソース: libclass-virtual-perl  ]

base class for virtual base classes

Class::Virtual is a base class for implementing virtual base classes (what some people call an abstract class). Kinda kooky. It allows you to explicitly declare what methods are virtual and that must be implemented by subclasses. This might seem silly, since your program will halt and catch fire when an unimplemented virtual method is hit anyway, but there's some benefits.

The error message is more informative. Instead of the usual "Can't locate object method" error, you'll get one explaining that a virtual method was left unimplemented.

Subclass authors can explicitly check to make sure they've implemented all the necessary virtual methods. When used as part of a regression test, it will shield against the virtual method requirements changing out from under the subclass.

タグ: ソフトウェア開発: Perl での開発, ライブラリ, 実装言語: Perl

その他の libclass-virtual-perl 関連パッケージ

• dep: libcarp-assert-perl

  Carp::Assert - executable comments for perl

• dep: libclass-data-inheritable-perl

  Perl module to create accessors to class data

• dep: libclass-isa-perl

  クラスの ISA ツリーの探索パスを報告する

• dep: perl

  Larry Wall 作の実用的な抽出とレポート用の言語

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