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Cookbook/Compilers and interpreters

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m (Cookbook/General hints moved to Cookbook/Compilers and interpreters)
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== GHCi ==
 
== GHCi ==
   
== Checking Types ==
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{| class="wikitable"
To check the type of an expression or function, use the command `:t'
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|-
<haskell>
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! Problem
Prelude> :t x
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! Solution
x :: Integer
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! Examples
  +
|-
  +
| checking types
  +
| :t
  +
|<haskell>
 
Prelude> :t "Hello"
 
Prelude> :t "Hello"
 
"Hello" :: [Char]
 
"Hello" :: [Char]
 
</haskell>
 
</haskell>
  +
|-

Revision as of 08:19, 31 August 2009

1 GHC

2 GHCi

Problem Solution Examples
checking types  :t
Prelude> :t "Hello"
"Hello" :: [Char]