| Safe Haskell | Safe-Inferred | 
|---|---|
| Language | Haskell2010 | 
Protolude.CallStack
Synopsis
- type HasCallStack = ?callStack :: CallStack
 
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: base-4.9.0.0