#2179: Improve error message when `main' is not of the right type
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Reporter: amiddelk | Owner:
Type: proposal | Status: new
Priority: normal | Component: Compiler
Version: 6.8.2 | Severity: trivial
Keywords: | Testcase:
Architecture: x86_64 (amd64) | Os: Linux
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If you run the following module with GHC(i):
> module Main where
> main = "hi"
You get the error message:
> Couldn't match expected type `IO a' against inferred type `[Char]'
> In the first argument of `GHC.TopHandler.runMainIO', namely `main'
> When checking the type of the function `main'
The error message would be a bit nicer if the second line was hidden.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2179>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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