Trait tuples::tuple_map::Tuple4Map1Option
source · pub trait Tuple4Map1Option<T0, T1, T2, T3> {
// Required method
fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U, T2, T3)>;
}
Expand description
Mapping .1
for Tuple4
Required Methods§
sourcefn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U, T2, T3)>
fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U, T2, T3)>
Mapping .1
for Tuple4
Object Safety§
This trait is not object safe.