[Haskell-cafe] Re: A question about "monad laws"

Wolfgang Jeltsch g9ks157k at acme.softbase.org
Mon Feb 11 14:30:59 EST 2008

Am Montag, 11. Februar 2008 16:35 schrieb Andrew Butterfield:
> This is precisely Jerzy's point - you can have many mathematical laws as
> you like but there is no guarantee that a programming languages
> implementation will satisfy them.

But people writing instances of type classes should take care of satisfying 
the laws since other libraries will most likely expect this.

Best wishes,

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