Difference between revisions of "Singleton list confusion"
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Revision as of 15:47, 10 April 2008
Why do Haskell newcomers frequently believe, that list variables must be enclosed in brackets?
People sometimes write argument patterns like [x], hoping that x will assume all values of a list successively.
Maybe it is some kind of list comprehension.
See for example Haskell-Cafe about testing for same characters in lists of strings, Pattern match failure