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", so this trait is not object safe.

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