mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-18 00:53:31 +00:00
53 lines
1.1 KiB
Rust
53 lines
1.1 KiB
Rust
#![feature(plugin)]
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#![plugin(clippy)]
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#![deny(clippy)]
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#![deny(if_let_redundant_pattern_matching)]
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fn main() {
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if let Ok(_) = Ok::<i32, i32>(42) {}
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//~^ERROR redundant pattern matching, consider using `is_ok()`
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//~| HELP try this
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//~| SUGGESTION if Ok::<i32, i32>(42).is_ok() {
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if let Err(_) = Err::<i32, i32>(42) {
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//~^ERROR redundant pattern matching, consider using `is_err()`
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//~| HELP try this
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//~| SUGGESTION if Err::<i32, i32>(42).is_err() {
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}
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if let None = None::<()> {
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//~^ERROR redundant pattern matching, consider using `is_none()`
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//~| HELP try this
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//~| SUGGESTION if None::<()>.is_none() {
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}
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if let Some(_) = Some(42) {
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//~^ERROR redundant pattern matching, consider using `is_some()`
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//~| HELP try this
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//~| SUGGESTION if Some(42).is_some() {
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}
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if Ok::<i32, i32>(42).is_ok() {
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}
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if Err::<i32, i32>(42).is_err() {
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}
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if None::<i32>.is_none() {
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}
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if Some(42).is_some() {
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}
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if let Ok(x) = Ok::<i32,i32>(42) {
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println!("{}", x);
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}
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}
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