src/tools/clippy/tests/ui/for_loops_over_fallibles.stderr

   1 error: for loop over `option`, which is an `Option`. This is more readably written as an `if let` statement
   2   --> $DIR/for_loops_over_fallibles.rs:9:14
   3    |
   4 LL |     for x in option {
   5    |              ^^^^^^
   6    |
   7    = note: `-D clippy::for-loops-over-fallibles` implied by `-D warnings`
   8    = help: consider replacing `for x in option` with `if let Some(x) = option`
   9
  10 error: for loop over `option`, which is an `Option`. This is more readably written as an `if let` statement
  11   --> $DIR/for_loops_over_fallibles.rs:14:14
  12    |
  13 LL |     for x in option.iter() {
  14    |              ^^^^^^
  15    |
  16    = help: consider replacing `for x in option.iter()` with `if let Some(x) = option`
  17
  18 error: for loop over `result`, which is a `Result`. This is more readably written as an `if let` statement
  19   --> $DIR/for_loops_over_fallibles.rs:19:14
  20    |
  21 LL |     for x in result {
  22    |              ^^^^^^
  23    |
  24    = help: consider replacing `for x in result` with `if let Ok(x) = result`
  25
  26 error: for loop over `result`, which is a `Result`. This is more readably written as an `if let` statement
  27   --> $DIR/for_loops_over_fallibles.rs:24:14
  28    |
  29 LL |     for x in result.iter_mut() {
  30    |              ^^^^^^
  31    |
  32    = help: consider replacing `for x in result.iter_mut()` with `if let Ok(x) = result`
  33
  34 error: for loop over `result`, which is a `Result`. This is more readably written as an `if let` statement
  35   --> $DIR/for_loops_over_fallibles.rs:29:14
  36    |
  37 LL |     for x in result.into_iter() {
  38    |              ^^^^^^
  39    |
  40    = help: consider replacing `for x in result.into_iter()` with `if let Ok(x) = result`
  41
  42 error: for loop over `option.ok_or("x not found")`, which is a `Result`. This is more readably written as an `if let` statement
  43   --> $DIR/for_loops_over_fallibles.rs:33:14
  44    |
  45 LL |     for x in option.ok_or("x not found") {
  46    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  47    |
  48    = help: consider replacing `for x in option.ok_or("x not found")` with `if let Ok(x) = option.ok_or("x not found")`
  49
  50 error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want
  51   --> $DIR/for_loops_over_fallibles.rs:39:14
  52    |
  53 LL |     for x in v.iter().next() {
  54    |              ^^^^^^^^^^^^^^^
  55    |
  56    = note: `#[deny(clippy::iter_next_loop)]` on by default
  57
  58 error: for loop over `v.iter().next().and(Some(0))`, which is an `Option`. This is more readably written as an `if let` statement
  59   --> $DIR/for_loops_over_fallibles.rs:44:14
  60    |
  61 LL |     for x in v.iter().next().and(Some(0)) {
  62    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  63    |
  64    = help: consider replacing `for x in v.iter().next().and(Some(0))` with `if let Some(x) = v.iter().next().and(Some(0))`
  65
  66 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
  67   --> $DIR/for_loops_over_fallibles.rs:48:14
  68    |
  69 LL |     for x in v.iter().next().ok_or("x not found") {
  70    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  71    |
  72    = 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")`
  73
  74 error: this loop never actually loops
  75   --> $DIR/for_loops_over_fallibles.rs:60:5
  76    |
  77 LL | /     while let Some(x) = option {
  78 LL | |         println!("{}", x);
  79 LL | |         break;
  80 LL | |     }
  81    | |_____^
  82    |
  83    = note: `#[deny(clippy::never_loop)]` on by default
  84
  85 error: this loop never actually loops
  86   --> $DIR/for_loops_over_fallibles.rs:66:5
  87    |
  88 LL | /     while let Ok(x) = result {
  89 LL | |         println!("{}", x);
  90 LL | |         break;
  91 LL | |     }
  92    | |_____^
  93
  94 error: aborting due to 11 previous errors
  95