hat-2.9.0.0: The Haskell tracer, generating and viewing Haskell execution traces

Safe HaskellNone
LanguageHaskell98

Hat.System

Documentation

data ExitCode Source

Constructors

ExitSuccess 
ExitFailure (R Int) 

Instances

aExitSuccess :: RefAtom Source

aExitFailure :: RefAtom Source

ggetArgs :: RefSrcPos -> RefExp -> R (IO (List String)) Source

ggetProgName :: RefSrcPos -> RefExp -> R (IO String) Source

ggetEnv :: RefSrcPos -> RefExp -> R (Fun String (IO String)) Source

agetEnv :: RefAtom Source

hgetEnv :: R String -> RefExp -> R (IO String) Source

gsystem :: RefSrcPos -> RefExp -> R (Fun String (IO ExitCode)) Source

asystem :: RefAtom Source

hsystem :: R String -> RefExp -> R (IO ExitCode) Source

gexitWith :: RefSrcPos -> RefExp -> R (Fun ExitCode (IO a)) Source

aexitWith :: RefAtom Source

hexitWith :: R ExitCode -> RefExp -> R (IO b) Source

gexitFailure :: RefSrcPos -> RefExp -> R (IO a) Source