pub trait TupleMapperSecond<Input, Output, Result>where
    Self: Sized,{
    // Required method
    fn map_second(self, mapper: impl FnOnce(Input) -> Output) -> Result;
}Required Methods§
fn map_second(self, mapper: impl FnOnce(Input) -> Output) -> Result
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.