rust-clippy/tests/ui/unnecessary_fold.stderr

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Text

error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:6:20
|
LL | let _ = (0..3).fold(false, |acc, x| acc || x > 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `any(|x| x > 2)`
|
= note: `-D clippy::unnecessary-fold` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::unnecessary_fold)]`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:8:20
|
LL | let _ = (0..3).fold(true, |acc, x| acc && x > 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `all(|x| x > 2)`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:10:25
|
LL | let _: i32 = (0..3).fold(0, |acc, x| acc + x);
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `sum()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:12:25
|
LL | let _: i32 = (0..3).fold(1, |acc, x| acc * x);
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `product()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:17:41
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LL | let _: bool = (0..3).map(|x| 2 * x).fold(false, |acc, x| acc || x > 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `any(|x| x > 2)`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:47:10
|
LL | .fold(false, |acc, x| acc || x > 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `any(|x| x > 2)`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:58:33
|
LL | assert_eq!(map.values().fold(0, |x, y| x + y), 0);
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<i32>()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:61:30
|
LL | let _ = map.values().fold(0, |x, y| x + y);
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<i32>()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:62:30
|
LL | let _ = map.values().fold(1, |x, y| x * y);
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<i32>()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:63:35
|
LL | let _: i32 = map.values().fold(0, |x, y| x + y);
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:64:35
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LL | let _: i32 = map.values().fold(1, |x, y| x * y);
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `product()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:65:31
|
LL | anything(map.values().fold(0, |x, y| x + y));
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<i32>()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:66:31
|
LL | anything(map.values().fold(1, |x, y| x * y));
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<i32>()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:67:26
|
LL | num(map.values().fold(0, |x, y| x + y));
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `sum()`
error: this `.fold` can be written more succinctly using another method
--> $DIR/unnecessary_fold.rs:68:26
|
LL | num(map.values().fold(1, |x, y| x * y));
| ^^^^^^^^^^^^^^^^^^^^^ help: try: `product()`
error: aborting due to 15 previous errors