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发送时间: 2008年8月19日 4:23
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主题: Haskell-Cafe Digest, Vol 60, Issue 20
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Today's Topics:
1. Re: permutations and performance (John D. Ramsdell)
2. Houston area FPers.... (Galchin, Vasili)
3. Re: Fwd: Haskell job opportunity: Platform Architect at
Peerium, Inc. (Benjamin L.Russell)
4. the cabal category field and "uploads" (Galchin, Vasili)
5. Re: Houston area FPers.... (Galchin, Vasili)
6. Re: the cabal category field and "uploads" (Don Stewart)
7. Re: the cabal category field and "uploads" (Galchin, Vasili)
8. Re: Re: Phantoms (Jason Dagit)
9. "build depends:" in a .cabal file (Galchin, Vasili)
10. Re: "build depends:" in a .cabal file (Galchin, Vasili)
11. Serial COM port access on Windows ( Kol?? Du?an )
12. Re: FRP question (Ryan Ingram)
13. Re: "build depends:" in a .cabal file (Henning Thielemann)
14. missingH 0.18.6 - problems with cabal configure (Andrew U. Frank)
15. Re: "build depends:" in a .cabal file (Duncan Coutts)
16. Reader monad, implicit parameters, or something else
altogether? (Bjorn Buckwalter)
17. Reader monad, implicit parameters, or something else
altogether? (Bjorn Buckwalter)
18. Re: Reader monad, implicit parameters, or something else
altogether? (Henning Thielemann)
19. Re: Reader monad, implicit parameters, or something else
altogether? (Bjorn Buckwalter)
20. Re: Reader monad, implicit parameters, or something else
altogether? (Brandon S. Allbery KF8NH)
21. Re: Reader monad, implicit parameters, or something else
altogether? (Brandon S. Allbery KF8NH)
22. Re: Reader monad, implicit parameters, or something else
altogether? (Henning Thielemann)
23. Re: Reader monad, implicit parameters, or something else
altogether? (Henning Thielemann)
24. Fwd: [Haskell-cafe] Reader monad, implicit parameters, or
something else altogether? (Bjorn Buckwalter)
25. Re: Fwd: [Haskell-cafe] Reader monad, implicit parameters, or
something else altogether? (Henning Thielemann)
26. Re: X Haskell Bindings (David Roundy)
27. Re: Fwd: [Haskell-cafe] Reader monad, implicit parameters, or
something else altogether? (Evan Laforge)
28. Re: Reader monad, implicit parameters, or something else
altogether? (Brandon S. Allbery KF8NH)
----------------------------------------------------------------------
Message: 1
Date: Sun, 17 Aug 2008 22:40:30 -0400
From: "John D. Ramsdell"
There is _one_ permutation with no elements, namely [], thus it must be | n == 0 = [[]]
I see.
John
------------------------------
Message: 2
Date: Sun, 17 Aug 2008 21:47:33 -0500
From: "Galchin, Vasili"