28 lines
452 B
Rust
28 lines
452 B
Rust
#![feature(plugin)]
|
|
#![plugin(clippy)]
|
|
|
|
#![deny(if_let_some_result)]
|
|
|
|
fn str_to_int(x: &str) -> i32 {
|
|
if let Some(y) = x.parse().ok() {
|
|
//~^ERROR Matching on `Some` with `ok()` is redundant
|
|
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);
|
|
}
|