Revision as of 04:31, 12 September 2010 (view source) rosettacode>Paddy3118 (→‎Perl 6 comment on the need for Y?: Ta!) ← Older edit		Revision as of 14:22, 21 November 2010 (view source) 93.144.202.116 (talk) No edit summary Newer edit →
Line 68: :: Ta! --[[User:Paddy3118\|Paddy3118]] 04:31, 12 September 2010 (UTC) =="Y" combinator in Scheme== Actually, there is a way to implement the Y combinator in Scheme: <lang scheme> (define Y (lambda (f) (f (delay (Y f))))) </lang> but you have to call the function with <lang scheme>(force f)</lang> example: <lang scheme> (define fact (lambda (f) (lambda (n) (if (= n 0) 1 (* n ((force f) (- n 1))))))) </lang> [[Special:Contributions/93.144.202.116\|93.144.202.116]]

Talk:Y combinator: Difference between revisions

Talk:Y combinator (view source)