Trait tuples::tuple_map::Tuple2Map1Result

pub trait Tuple2Map1Result<E, T0, T1> {
    // Required method
    fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Result<(T0, U), E>;
}

Mapping .1 for Tuple2

Required Methods

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

Mapping .1 for Tuple2

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl<E, T0, T1> Tuple2Map1Result<E, T0, T1> for Result<(T0, T1), E>

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

Implementors