You can use the as_bytes method:
fn f(s: &[u8]) {}
pub fn main() {
let x = "a";
f(x.as_bytes())
}
or, in your specific example, you could use a byte literal:
let x = b"a";
f(x)
Converting a str to a &[u8]
You can use the as_bytes method:
fn f(s: &[u8]) {}
pub fn main() {
let x = "a";
f(x.as_bytes())
}
or, in your specific example, you could use a byte literal:
let x = b"a";
f(x)