Hi,
Am Donnerstag, den 01.12.2011, 21:44 +0100 schrieb Joachim Breitner:
Does ghc treat list comprehensions differently here?
I could answer this by looking at compiler/deSugar/DsListComp.lhs in the
GHC source:
List comprehensions may be desugared in one of two ways:
Hi,
Am Donnerstag, den 01.12.2011, 22:16 +0100 schrieb Joachim Breitner:
This would motivate the following definition for a fusionable concatMap,
going via list comprehensions and their translation to ideal list fusion
consumers/producers:
concatMap f xs
== [ y | x - xs, y - f x ]
==
