[Haskell] How does "do" know when to stop?

Neil Mitchell ndmitchell at gmail.com
Thu Feb 15 16:21:19 EST 2007

Hi Rob,

> When I define a function and I use do to string functions together, how
> does it know when my list of functions has come to an end?

Simple answer: the identation.

Long answer: read the Haskell 98 report specifically the bits on the
layout rule. Usually just remembering that indentation is significant
is enough for everything to "just work"



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