call-stack-0.4.0: Use GHC call-stacks in a backward compatible way
Safe HaskellSafe-Inferred
LanguageHaskell2010

Data.CallStack

Documentation

type HasCallStack = ?callStack :: CallStack #

type CallStack = [(String, SrcLoc)] Source #

data SrcLoc #

Constructors

SrcLoc 

Fields

Instances

Instances details
Generic SrcLoc 
Instance details

Defined in GHC.Generics

Associated Types

type Rep SrcLoc 
Instance details

Defined in GHC.Generics

type Rep SrcLoc = D1 ('MetaData "SrcLoc" "GHC.Stack.Types" "base" 'False) (C1 ('MetaCons "SrcLoc" 'PrefixI 'True) ((S1 ('MetaSel ('Just "srcLocPackage") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Char]) :*: (S1 ('MetaSel ('Just "srcLocModule") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Char]) :*: S1 ('MetaSel ('Just "srcLocFile") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Char]))) :*: ((S1 ('MetaSel ('Just "srcLocStartLine") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int) :*: S1 ('MetaSel ('Just "srcLocStartCol") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int)) :*: (S1 ('MetaSel ('Just "srcLocEndLine") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int) :*: S1 ('MetaSel ('Just "srcLocEndCol") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int)))))

Methods

from :: SrcLoc -> Rep SrcLoc x

to :: Rep SrcLoc x -> SrcLoc

Show SrcLoc 
Instance details

Defined in GHC.Show

Methods

showsPrec :: Int -> SrcLoc -> ShowS

show :: SrcLoc -> String

showList :: [SrcLoc] -> ShowS

Eq SrcLoc 
Instance details

Defined in GHC.Stack.Types

Methods

(==) :: SrcLoc -> SrcLoc -> Bool

(/=) :: SrcLoc -> SrcLoc -> Bool

type Rep SrcLoc 
Instance details

Defined in GHC.Generics

type Rep SrcLoc = D1 ('MetaData "SrcLoc" "GHC.Stack.Types" "base" 'False) (C1 ('MetaCons "SrcLoc" 'PrefixI 'True) ((S1 ('MetaSel ('Just "srcLocPackage") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Char]) :*: (S1 ('MetaSel ('Just "srcLocModule") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Char]) :*: S1 ('MetaSel ('Just "srcLocFile") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Char]))) :*: ((S1 ('MetaSel ('Just "srcLocStartLine") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int) :*: S1 ('MetaSel ('Just "srcLocStartCol") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int)) :*: (S1 ('MetaSel ('Just "srcLocEndLine") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int) :*: S1 ('MetaSel ('Just "srcLocEndCol") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int)))))

callStack :: HasCallStack => CallStack Source #

callSite :: HasCallStack => Maybe (String, SrcLoc) Source #