Trait Tuple1Map
tuples::tuple_map
pub trait Tuple1Map<T> { fn map<U>(self, f: impl FnMut(T) -> U) -> (U,); }
Mapping for Tuple1
fn map<U>(self, f: impl FnMut(T) -> U) -> (U,)
impl<T> Tuple1Map<T> for (T,)