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, 

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