pub type BoxedFn2<'a, T1, T2, T3, E1> = Box<dyn FnOnce(T1, T2) -> Result<T3, E1> + Send + Sync + 'a>;
Expand description
Type alias BoxedFn2 for Boxed FnOnce sync function with 2 arguments
Aliased Type§
struct BoxedFn2<'a, T1, T2, T3, E1>(/* private fields */);