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Cookbook/Compilers and interpreters

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(GHC)
m (GHC)
Line 9: Line 9:
 
| compiling a file, without linking
 
| compiling a file, without linking
 
| -c
 
| -c
|<haskell>ghc -c Foo.hs --> Foo.hi, Foo.o</haskell>
+
|<haskell>ghc -c Foo.hs --> Foo.hi, Foo.o</haskell>
 
|-
 
|-
 
| linking files into an executable
 
| linking files into an executable
 
| -o
 
| -o
|<haskell>ghc -o test Foo.o Bar.o Baz.p --> test</haskell>
+
|<haskell>ghc -o test Foo.o Bar.o Baz.p --> test</haskell>
 
|}
 
|}
   

Revision as of 08:41, 31 August 2009

1 GHC

Problem Solution Examples
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