libobject-realize-later-perl ソースパッケージをダウンロード:
The Object::Realize::Later class helps with implementing transparent on demand realization of object data. This is related to the tricks on autoloading of data, the lesser known cousin of autoloading of functionality.
On demand realization is all about performance gain. Why should you spent costly time on realizing an object, when the data on the object is never (or not yet) used? In interactive programs, postponed realization may boost start-up: the realization of objects is triggered by the use, so spread over time.
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