4 #![deny(if_let_some_result)]
6 fn str_to_int(x: &str) -> i32 {
7 if let Some(y) = x.parse().ok() {
15 fn str_to_int_ok(x: &str) -> i32 {
16 if let Ok(y) = x.parse() {
24 let y = str_to_int("1");
25 let z = str_to_int_ok("2");
26 println!("{}{}", y, z);