Re: Call By Need

"Derek Ross" <>
6 Oct 1999 02:04:31 -0400

          From comp.compilers

Related articles
Call By Need (Leo) (1999-10-04)
Re: Call By Need (Derek Ross) (1999-10-06)
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From: "Derek Ross" <>
Newsgroups: comp.compilers
Date: 6 Oct 1999 02:04:31 -0400
Organization: None
References: 99-10-019
Keywords: design, functional

Leo wrote in message 99-10-019...

>What is 'Call By Need'? And I'd appreciate if anybody can point to me
>some resources that I can learn this topic.

'Call by need' is also known as 'lazy evaluation'. You'll get a lot
of hits if you search for that term on one of the search engines.


[Well, lazy evaluation is more general, the same idea applied to arbitrary
expressions, not just procedure arguments. -John]

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