Tuple2Map1Option

libsugar::tuples

Trait Tuple2Map1Option 

Source 
pub trait Tuple2Map1Option<T0, T1> {
    // Required method
    fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U)>;
}
Expand description

Mapping .1 for Tuple2

Required Methods§

Source

fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U)>

Mapping .1 for Tuple2

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§

Source§

impl<T0, T1> Tuple2Map1Option<T0, T1> for Option<(T0, T1)>

Source§

fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U)>

Implementors§