rust/tests/ui/for_loop_over_option_result.stderr
2018-10-30 21:25:34 +01:00

73 lines
2.8 KiB
Plaintext

error: for loop over `option`, which is an `Option`. This is more readably written as an `if let` statement.
--> $DIR/for_loop_over_option_result.rs:20:14
|
20 | for x in option {
| ^^^^^^
|
= note: `-D clippy::for-loop-over-option` implied by `-D warnings`
= help: consider replacing `for x in option` with `if let Some(x) = option`
error: for loop over `result`, which is a `Result`. This is more readably written as an `if let` statement.
--> $DIR/for_loop_over_option_result.rs:25:14
|
25 | for x in result {
| ^^^^^^
|
= note: `-D clippy::for-loop-over-result` implied by `-D warnings`
= help: consider replacing `for x in result` with `if let Ok(x) = result`
error: for loop over `option.ok_or("x not found")`, which is a `Result`. This is more readably written as an `if let` statement.
--> $DIR/for_loop_over_option_result.rs:29:14
|
29 | for x in option.ok_or("x not found") {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider replacing `for x in option.ok_or("x not found")` with `if let Ok(x) = option.ok_or("x not found")`
error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want
--> $DIR/for_loop_over_option_result.rs:35:14
|
35 | for x in v.iter().next() {
| ^^^^^^^^^^^^^^^
|
= note: #[deny(clippy::iter_next_loop)] on by default
error: for loop over `v.iter().next().and(Some(0))`, which is an `Option`. This is more readably written as an `if let` statement.
--> $DIR/for_loop_over_option_result.rs:40:14
|
40 | for x in v.iter().next().and(Some(0)) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider replacing `for x in v.iter().next().and(Some(0))` with `if let Some(x) = v.iter().next().and(Some(0))`
error: for loop over `v.iter().next().ok_or("x not found")`, which is a `Result`. This is more readably written as an `if let` statement.
--> $DIR/for_loop_over_option_result.rs:44:14
|
44 | for x in v.iter().next().ok_or("x not found") {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider replacing `for x in v.iter().next().ok_or("x not found")` with `if let Ok(x) = v.iter().next().ok_or("x not found")`
error: this loop never actually loops
--> $DIR/for_loop_over_option_result.rs:56:5
|
56 | / while let Some(x) = option {
57 | | println!("{}", x);
58 | | break;
59 | | }
| |_____^
|
= note: #[deny(clippy::never_loop)] on by default
error: this loop never actually loops
--> $DIR/for_loop_over_option_result.rs:62:5
|
62 | / while let Ok(x) = result {
63 | | println!("{}", x);
64 | | break;
65 | | }
| |_____^
error: aborting due to 8 previous errors