Return Position Impl Trait
example 1
#![allow(unused)]
fn main() {
fn apply<F>(f: F)
where
F: Fn(&str),
{
let s = String::from("hello");
f(&s);
}
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#![allow(unused)]
fn main() {
fn apply<F>(f: F)
where
F: Fn(&str),
{
let s = String::from("hello");
f(&s);
}
}