Trait cache::ValueMapFn

pub trait ValueMapFn<V1, V2>: Fn(ArcResult<&V1>) -> ArcResult<V2> + Send + Sync + Any { }

A function for mapping a cached value to another value.

Implementors

impl<V1, V2, T: Fn(ArcResult<&V1>) -> ArcResult<V2> + Send + Sync + Any> ValueMapFn<V1, V2> for T