Trait Tuple4Map1
tuples::tuple_map
pub trait Tuple4Map1<T0, T1, T2, T3> { pub fn map1<U>(self, f: impl FnOnce(T1) -> U) -> (T0, U, T2, T3); }
Mapping .1 for Tuple4
.1
pub fn map1<U>(self, f: impl FnOnce(T1) -> U) -> (T0, U, T2, T3)
impl<T0, T1, T2, T3> Tuple4Map1<T0, T1, T2, T3> for (T0, T1, T2, T3)