Trait slog::MapErrFn

pub trait MapErrFn<EI, EO>: 'static + Sync + Send + UnwindSafe + RefUnwindSafe + Fn(EI) -> EO { }

Function that can be used in MapErr drain

Implementors

• impl<T: ?Sized, EI, EO> MapErrFn<EI, EO> for T where     T: 'static + Sync + Send + UnwindSafe + RefUnwindSafe + Fn(EI) -> EO,