rust/tests/ui/ok_if_let.rs

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2017-09-18 12:47:33 +02:00
2016-10-02 22:49:29 +02:00
#![warn(if_let_some_result)]
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fn str_to_int(x: &str) -> i32 {
if let Some(y) = x.parse().ok() {
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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);
}