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Cookbook/Compilers and interpreters

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m (GHC)
(GHC)
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! Solution
 
! Solution
 
! Examples
 
! Examples
  +
|-
  +
| compiling and linking an executable
  +
| --make
  +
|<haskell>ghc -- make Main.hs --> Main</haskell>
 
|-
 
|-
 
| compiling a file, without linking
 
| compiling a file, without linking

Revision as of 08:43, 31 August 2009

1 GHC

Problem Solution Examples
compiling and linking an executable --make
ghc -- make Main.hs              --> Main
compiling a file, without linking -c
ghc -c Foo.hs                    --> Foo.hi, Foo.o
linking files into an executable -o
ghc -o test Foo.o Bar.o Baz.p    --> test

2 GHCi

Problem Solution Examples
checking a definition  :i
Prelude> :i Monad
class Monad m where
  (>>=) :: m a -> (a -> m b) -> m b
  (>>) :: m a -> m b -> m b
  return :: a -> m a
  fail :: String -> m a
        -- Defined in GHC.Base
instance Monad Maybe -- Defined in Data.Maybe
instance Monad IO -- Defined in GHC.IOBase
instance Monad ((->) r) -- Defined in Control.Monad.Instances
instance Monad [] -- Defined in GHC.Base
checking a type  :t
Prelude> :t "Hello"
"Hello" :: [Char]
 
Prelude> :t length
length :: [a] -> Int

3 Hugs

TODO