Trait tuples::tuple_map::Tuple2Map1Option

pub trait Tuple2Map1Option<T0, T1> {
    // Required method
    fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U)>;
}

Mapping .1 for Tuple2

Required Methods

fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U)>

Mapping .1 for Tuple2

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl<T0, T1> Tuple2Map1Option<T0, T1> for Option<(T0, T1)>

fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U)>

Implementors