mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
102 lines
3.2 KiB
Plaintext
102 lines
3.2 KiB
Plaintext
warning: for loop over an `Option`. This is more readably written as an `if let` statement
|
|
--> $DIR/for_loop_over_fallibles.rs:5:14
|
|
|
|
|
LL | for _ in Some(1) {}
|
|
| ^^^^^^^
|
|
|
|
|
= note: `#[warn(for_loops_over_fallibles)]` on by default
|
|
help: to check pattern in a loop use `while let`
|
|
|
|
|
LL | while let Some(_) = Some(1) {}
|
|
| ~~~~~~~~~~~~~~~ ~~~
|
|
help: consider using `if let` to clear intent
|
|
|
|
|
LL | if let Some(_) = Some(1) {}
|
|
| ~~~~~~~~~~~~ ~~~
|
|
|
|
warning: for loop over a `Result`. This is more readably written as an `if let` statement
|
|
--> $DIR/for_loop_over_fallibles.rs:9:14
|
|
|
|
|
LL | for _ in Ok::<_, ()>(1) {}
|
|
| ^^^^^^^^^^^^^^
|
|
|
|
|
help: to check pattern in a loop use `while let`
|
|
|
|
|
LL | while let Ok(_) = Ok::<_, ()>(1) {}
|
|
| ~~~~~~~~~~~~~ ~~~
|
|
help: consider using `if let` to clear intent
|
|
|
|
|
LL | if let Ok(_) = Ok::<_, ()>(1) {}
|
|
| ~~~~~~~~~~ ~~~
|
|
|
|
warning: for loop over an `Option`. This is more readably written as an `if let` statement
|
|
--> $DIR/for_loop_over_fallibles.rs:15:14
|
|
|
|
|
LL | for _ in [0; 0].iter().next() {}
|
|
| ^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
help: to iterate over `[0; 0].iter()` remove the call to `next`
|
|
|
|
|
LL | for _ in [0; 0].iter().by_ref() {}
|
|
| ~~~~~~~~~
|
|
help: consider using `if let` to clear intent
|
|
|
|
|
LL | if let Some(_) = [0; 0].iter().next() {}
|
|
| ~~~~~~~~~~~~ ~~~
|
|
|
|
warning: for loop over a `Result`. This is more readably written as an `if let` statement
|
|
--> $DIR/for_loop_over_fallibles.rs:21:14
|
|
|
|
|
LL | for _ in Ok::<_, ()>([0; 0].iter()) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
help: to check pattern in a loop use `while let`
|
|
|
|
|
LL | while let Ok(_) = Ok::<_, ()>([0; 0].iter()) {}
|
|
| ~~~~~~~~~~~~~ ~~~
|
|
help: consider using `if let` to clear intent
|
|
|
|
|
LL | if let Ok(_) = Ok::<_, ()>([0; 0].iter()) {}
|
|
| ~~~~~~~~~~ ~~~
|
|
|
|
warning: for loop over a `Result`. This is more readably written as an `if let` statement
|
|
--> $DIR/for_loop_over_fallibles.rs:29:14
|
|
|
|
|
LL | for _ in Ok::<_, ()>([0; 0].iter()) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
help: to check pattern in a loop use `while let`
|
|
|
|
|
LL | while let Ok(_) = Ok::<_, ()>([0; 0].iter()) {}
|
|
| ~~~~~~~~~~~~~ ~~~
|
|
help: consider unwrapping the `Result` with `?` to iterate over its contents
|
|
|
|
|
LL | for _ in Ok::<_, ()>([0; 0].iter())? {}
|
|
| +
|
|
help: consider using `if let` to clear intent
|
|
|
|
|
LL | if let Ok(_) = Ok::<_, ()>([0; 0].iter()) {}
|
|
| ~~~~~~~~~~ ~~~
|
|
|
|
warning: for loop over a `Result`. This is more readably written as an `if let` statement
|
|
--> $DIR/for_loop_over_fallibles.rs:36:14
|
|
|
|
|
LL | for _ in Ok::<_, ()>([0; 0]) {}
|
|
| ^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
help: to check pattern in a loop use `while let`
|
|
|
|
|
LL | while let Ok(_) = Ok::<_, ()>([0; 0]) {}
|
|
| ~~~~~~~~~~~~~ ~~~
|
|
help: consider unwrapping the `Result` with `?` to iterate over its contents
|
|
|
|
|
LL | for _ in Ok::<_, ()>([0; 0])? {}
|
|
| +
|
|
help: consider using `if let` to clear intent
|
|
|
|
|
LL | if let Ok(_) = Ok::<_, ()>([0; 0]) {}
|
|
| ~~~~~~~~~~ ~~~
|
|
|
|
warning: 6 warnings emitted
|
|
|