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

   1 error: this `.fold` can be written more succinctly using another method
   2   --> $DIR/unnecessary_fold.rs:6:20
   3    |
   4 LL |     let _ = (0..3).fold(false, |acc, x| acc || x > 2);
   5    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `any(|x| x > 2)`
   6    |
   7    = note: `-D clippy::unnecessary-fold` implied by `-D warnings`
   8    = help: to override `-D warnings` add `#[allow(clippy::unnecessary_fold)]`
   9
  10 error: this `.fold` can be written more succinctly using another method
  11   --> $DIR/unnecessary_fold.rs:8:20
  12    |
  13 LL |     let _ = (0..3).fold(true, |acc, x| acc && x > 2);
  14    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `all(|x| x > 2)`
  15
  16 error: this `.fold` can be written more succinctly using another method
  17   --> $DIR/unnecessary_fold.rs:10:25
  18    |
  19 LL |     let _: i32 = (0..3).fold(0, |acc, x| acc + x);
  20    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `sum()`
  21
  22 error: this `.fold` can be written more succinctly using another method
  23   --> $DIR/unnecessary_fold.rs:12:25
  24    |
  25 LL |     let _: i32 = (0..3).fold(1, |acc, x| acc * x);
  26    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `product()`
  27
  28 error: this `.fold` can be written more succinctly using another method
  29   --> $DIR/unnecessary_fold.rs:17:41
  30    |
  31 LL |     let _: bool = (0..3).map(|x| 2 * x).fold(false, |acc, x| acc || x > 2);
  32    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `any(|x| x > 2)`
  33
  34 error: this `.fold` can be written more succinctly using another method
  35   --> $DIR/unnecessary_fold.rs:47:10
  36    |
  37 LL |         .fold(false, |acc, x| acc || x > 2);
  38    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `any(|x| x > 2)`
  39
  40 error: this `.fold` can be written more succinctly using another method
  41   --> $DIR/unnecessary_fold.rs:58:33
  42    |
  43 LL |         assert_eq!(map.values().fold(0, |x, y| x + y), 0);
  44    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<i32>()`
  45
  46 error: this `.fold` can be written more succinctly using another method
  47   --> $DIR/unnecessary_fold.rs:61:30
  48    |
  49 LL |         let _ = map.values().fold(0, |x, y| x + y);
  50    |                              ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<i32>()`
  51
  52 error: this `.fold` can be written more succinctly using another method
  53   --> $DIR/unnecessary_fold.rs:62:30
  54    |
  55 LL |         let _ = map.values().fold(1, |x, y| x * y);
  56    |                              ^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<i32>()`
  57
  58 error: this `.fold` can be written more succinctly using another method
  59   --> $DIR/unnecessary_fold.rs:63:35
  60    |
  61 LL |         let _: i32 = map.values().fold(0, |x, y| x + y);
  62    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum()`
  63
  64 error: this `.fold` can be written more succinctly using another method
  65   --> $DIR/unnecessary_fold.rs:64:35
  66    |
  67 LL |         let _: i32 = map.values().fold(1, |x, y| x * y);
  68    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `product()`
  69
  70 error: this `.fold` can be written more succinctly using another method
  71   --> $DIR/unnecessary_fold.rs:65:31
  72    |
  73 LL |         anything(map.values().fold(0, |x, y| x + y));
  74    |                               ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<i32>()`
  75
  76 error: this `.fold` can be written more succinctly using another method
  77   --> $DIR/unnecessary_fold.rs:66:31
  78    |
  79 LL |         anything(map.values().fold(1, |x, y| x * y));
  80    |                               ^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<i32>()`
  81
  82 error: this `.fold` can be written more succinctly using another method
  83   --> $DIR/unnecessary_fold.rs:67:26
  84    |
  85 LL |         num(map.values().fold(0, |x, y| x + y));
  86    |                          ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum()`
  87
  88 error: this `.fold` can be written more succinctly using another method
  89   --> $DIR/unnecessary_fold.rs:68:26
  90    |
  91 LL |         num(map.values().fold(1, |x, y| x * y));
  92    |                          ^^^^^^^^^^^^^^^^^^^^^ help: try: `product()`
  93
  94 error: aborting due to 15 previous errors
  95