mirror of
https://github.com/rust-lang/rust-clippy
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72 lines
2.8 KiB
Text
72 lines
2.8 KiB
Text
error: for loop over `option`, which is an `Option`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop_over_option_result.rs:11:14
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LL | for x in option {
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| ^^^^^^
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= note: `-D clippy::for-loop-over-option` implied by `-D warnings`
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= help: consider replacing `for x in option` with `if let Some(x) = option`
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error: for loop over `result`, which is a `Result`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop_over_option_result.rs:16:14
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LL | for x in result {
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| ^^^^^^
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= note: `-D clippy::for-loop-over-result` implied by `-D warnings`
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= help: consider replacing `for x in result` with `if let Ok(x) = result`
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error: for loop over `option.ok_or("x not found")`, which is a `Result`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop_over_option_result.rs:20:14
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LL | for x in option.ok_or("x not found") {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider replacing `for x in option.ok_or("x not found")` with `if let Ok(x) = option.ok_or("x not found")`
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error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want
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--> $DIR/for_loop_over_option_result.rs:26:14
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LL | for x in v.iter().next() {
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| ^^^^^^^^^^^^^^^
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= note: `#[deny(clippy::iter_next_loop)]` on by default
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error: for loop over `v.iter().next().and(Some(0))`, which is an `Option`. This is more readably written as an `if let` statement.
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--> $DIR/for_loop_over_option_result.rs:31:14
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LL | for x in v.iter().next().and(Some(0)) {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider replacing `for x in v.iter().next().and(Some(0))` with `if let Some(x) = v.iter().next().and(Some(0))`
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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.
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--> $DIR/for_loop_over_option_result.rs:35:14
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LL | for x in v.iter().next().ok_or("x not found") {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= 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")`
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error: this loop never actually loops
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--> $DIR/for_loop_over_option_result.rs:47:5
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LL | / while let Some(x) = option {
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LL | | println!("{}", x);
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LL | | break;
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LL | | }
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| |_____^
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= note: `#[deny(clippy::never_loop)]` on by default
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error: this loop never actually loops
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--> $DIR/for_loop_over_option_result.rs:53:5
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LL | / while let Ok(x) = result {
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LL | | println!("{}", x);
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LL | | break;
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LL | | }
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| |_____^
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error: aborting due to 8 previous errors
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