Panic

Documentation

type HasCallStack = ?callStack :: CallStack

Request a CallStack.

NOTE: The implicit parameter ?callStack :: CallStack is an implementation detail and should not be considered part of the CallStack API, we may decide to change the implementation in the future.

Since: 4.9.0.0

panic :: (PanicComponent a, HasCallStack) => a -> String -> [String] -> b

class Typeable a => PanicComponent a where

Minimal complete definition

panicComponentName, panicComponentIssues, panicComponentRevision

Methods

panicComponentName :: a -> String

panicComponentIssues :: a -> String

^ Name of the panicing component.

panicComponentRevision :: a -> (String, String)

^ Issue tracker for the panicking component.

useGitRevision :: Q Exp

An expression of type a -> (String,String). Uses template Haskell to query Git for the current state of the repo. Note that the state reported depends on when the module containing the splice was compiled.