rust/tests/ui/ok_if_let.rs
2017-10-03 12:07:24 +02:00

27 lines
356 B
Rust

#![warn(if_let_some_result)]
fn str_to_int(x: &str) -> i32 {
if let Some(y) = x.parse().ok() {
y
} else {
0
}
}
fn str_to_int_ok(x: &str) -> i32 {
if let Ok(y) = x.parse() {
y
} else {
0
}
}
fn main() {
let y = str_to_int("1");
let z = str_to_int_ok("2");
println!("{}{}", y, z);
}