在 2006/7/28 上午 7:54 時，Aaron Crane 寫到：
The motivation for s/environmental/contextual/ is clear: avoiding a term that's already used for something else. But, on the same grounds, I'm not sure that "contextual" is the right term, and especially not C<is context>-- Perl already has contexts, and this isn't one.
The idea is that context is something you pass along in each of your calls. If your function body is a simple call, then it does not affect the context; the callee gets the same context as you are getting.
So one can say that "want" is really one of the contextual variables that gets reassigned every time a function is called when a particular type is expected.
Thanks, Audrey
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