Trait Tuple9Map4Option 

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)>;
}

Mapping .4 for Tuple9

Required Methods

fn map4<U>( self, f: impl FnOnce(T4) -> U, ) -> Option<(T0, T1, T2, T3, U, T5, T6, T7, T8)>

Mapping .4 for Tuple9

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T0, T1, T2, T3, T4, T5, T6, T7, T8> Tuple9Map4Option<T0, T1, T2, T3, T4, T5, T6, T7, T8> for Option<(T0, T1, T2, T3, T4, T5, T6, T7, T8)>

fn map4<U>( self, f: impl FnOnce(T4) -> U, ) -> Option<(T0, T1, T2, T3, U, T5, T6, T7, T8)>

Implementors