rust/tests/ui/if_let_redundant_pattern_matching.rs

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2017-09-18 05:47:33 -05:00
#![warn(clippy)]
#![warn(if_let_redundant_pattern_matching)]
fn main() {
if let Ok(_) = Ok::<i32, i32>(42) {}
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if let Err(_) = Err::<i32, i32>(42) {
}
if let None = None::<()> {
}
if let Some(_) = Some(42) {
}
if Ok::<i32, i32>(42).is_ok() {
}
if Err::<i32, i32>(42).is_err() {
}
if None::<i32>.is_none() {
}
if Some(42).is_some() {
}
if let Ok(x) = Ok::<i32,i32>(42) {
println!("{}", x);
}
}