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Singleton list confusion

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(further example, but same author)
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See for example
 
See for example
 
Haskell-Cafe about
 
Haskell-Cafe about
[http://www.haskell.org/pipermail/haskell-cafe/2008-April/041496.html testing for same characters in lists of strings],
+
[http://www.haskell.org/pipermail/haskell-cafe/2008-April/041496.html testing for same characters in lists of strings],
[http://www.haskell.org/pipermail/haskell-cafe/2008-April/041556.html Pattern match failure]
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[http://www.haskell.org/pipermail/haskell-cafe/2008-April/041556.html Pattern match failure]
   
 
[[Category:Syntax]]
 
[[Category:Syntax]]

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