rust-clippy/tests/ui/eta.stderr

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error: redundant closure
--> $DIR/eta.rs:32:27
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|
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LL | let a = Some(1u8).map(|a| foo(a));
| ^^^^^^^^^^ help: replace the closure with the function itself: `foo`
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|
= note: `-D clippy::redundant-closure` implied by `-D warnings`
error: redundant closure
--> $DIR/eta.rs:33:10
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LL | meta(|a| foo(a));
| ^^^^^^^^^^ help: replace the closure with the function itself: `foo`
error: redundant closure
--> $DIR/eta.rs:37:40
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LL | let _: Option<Vec<u8>> = true.then(|| vec![]); // special case vec!
| ^^^^^^^^^ help: replace the closure with `Vec::new`: `std::vec::Vec::new`
error: this expression borrows a reference (`&u8`) that is immediately dereferenced by the compiler
--> $DIR/eta.rs:39:21
|
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LL | all(&[1, 2, 3], &&2, |x, y| below(x, y)); //is adjusted
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| ^^^ help: change this to: `&2`
|
= note: `-D clippy::needless-borrow` implied by `-D warnings`
error: redundant closure
--> $DIR/eta.rs:46:27
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LL | let e = Some(1u8).map(|a| generic(a));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `generic`
error: redundant closure
--> $DIR/eta.rs:89:51
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LL | let e = Some(TestStruct { some_ref: &i }).map(|a| a.foo());
| ^^^^^^^^^^^ help: replace the closure with the method itself: `TestStruct::foo`
|
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= note: `-D clippy::redundant-closure-for-method-calls` implied by `-D warnings`
error: redundant closure
--> $DIR/eta.rs:91:51
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LL | let e = Some(TestStruct { some_ref: &i }).map(|a| a.trait_foo());
| ^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `TestTrait::trait_foo`
error: redundant closure
--> $DIR/eta.rs:94:42
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LL | let e = Some(&mut vec![1, 2, 3]).map(|v| v.clear());
| ^^^^^^^^^^^^^ help: replace the closure with the method itself: `std::vec::Vec::clear`
error: redundant closure
--> $DIR/eta.rs:99:29
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LL | let e = Some("str").map(|s| s.to_string());
| ^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `std::string::ToString::to_string`
error: redundant closure
--> $DIR/eta.rs:101:27
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LL | let e = Some('a').map(|s| s.to_uppercase());
| ^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `char::to_uppercase`
error: redundant closure
--> $DIR/eta.rs:104:65
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LL | let e: std::vec::Vec<char> = vec!['a', 'b', 'c'].iter().map(|c| c.to_ascii_uppercase()).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `char::to_ascii_uppercase`
error: redundant closure
--> $DIR/eta.rs:187:27
|
LL | let a = Some(1u8).map(|a| foo_ptr(a));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `foo_ptr`
error: redundant closure
--> $DIR/eta.rs:192:27
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LL | let a = Some(1u8).map(|a| closure(a));
| ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `closure`
error: aborting due to 13 previous errors
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