Trait tuples::tuple_map::Tuple9Map4Option
source · pub trait Tuple9Map4Option<T0, T1, T2, T3, T4, T5, T6, T7, T8> {
// Required method
fn map4<U>(
self,
f: impl FnOnce(T4) -> U
) -> Option<(T0, T1, T2, T3, U, T5, T6, T7, T8)>;
}
Expand description
Mapping .4
for Tuple9
Required Methods§
sourcefn map4<U>(
self,
f: impl FnOnce(T4) -> U
) -> Option<(T0, T1, T2, T3, U, T5, T6, T7, T8)>
fn map4<U>( self, f: impl FnOnce(T4) -> U ) -> Option<(T0, T1, T2, T3, U, T5, T6, T7, T8)>
Mapping .4
for Tuple9
Object Safety§
This trait is not object safe.