Re: [Haskell-beginners] About scope range: outside of the do-block

On April 20, 2014 4:38:05 PM GMT+03:00, "S. H. Aegis" wrote:

Oh, I'm sorry. I delete some of commented lines. Sorry for confusing.

Error occurred in sortedNamesList = sort $ nameList names

Thank you.

2014-04-20 22:17 GMT+09:00 Norbert Melzer :

...

Am 20.04.2014 14:58 schrieb "S. H. Aegis" :

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namesScores.hs:31:35: Not in scope: `names' Failed, modules loaded: none.

The code you posted has only 21 lines while your error message

denotes an

...

error in line 31, so there is something missing.

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In general, variables defined locally in one scope are not floated to external scopes. Thus, your question is analogous to asking: Given the following code: foo = ... where bar = ... baz = ... Can I call bar from baz? The answer being no, you can't, unless you pass bar as a parameter to baz (or use a Reader monad, which is equivalent). Hoping to help, Gesh