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Diffstat (limited to 'src/tools/clippy/tests/ui/map_clone.stderr')
-rw-r--r-- | src/tools/clippy/tests/ui/map_clone.stderr | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/map_clone.stderr b/src/tools/clippy/tests/ui/map_clone.stderr new file mode 100644 index 000000000..d84a5bf8d --- /dev/null +++ b/src/tools/clippy/tests/ui/map_clone.stderr @@ -0,0 +1,40 @@ +error: you are using an explicit closure for copying elements + --> $DIR/map_clone.rs:11:22 + | +LL | let _: Vec<i8> = vec![5_i8; 6].iter().map(|x| *x).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `vec![5_i8; 6].iter().copied()` + | + = note: `-D clippy::map-clone` implied by `-D warnings` + +error: you are using an explicit closure for cloning elements + --> $DIR/map_clone.rs:12:26 + | +LL | let _: Vec<String> = vec![String::new()].iter().map(|x| x.clone()).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `cloned` method: `vec![String::new()].iter().cloned()` + +error: you are using an explicit closure for copying elements + --> $DIR/map_clone.rs:13:23 + | +LL | let _: Vec<u32> = vec![42, 43].iter().map(|&x| x).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `vec![42, 43].iter().copied()` + +error: you are using an explicit closure for copying elements + --> $DIR/map_clone.rs:15:26 + | +LL | let _: Option<u64> = Some(&16).map(|b| *b); + | ^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `Some(&16).copied()` + +error: you are using an explicit closure for copying elements + --> $DIR/map_clone.rs:16:25 + | +LL | let _: Option<u8> = Some(&1).map(|x| x.clone()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `Some(&1).copied()` + +error: you are needlessly cloning iterator elements + --> $DIR/map_clone.rs:27:29 + | +LL | let _ = std::env::args().map(|v| v.clone()); + | ^^^^^^^^^^^^^^^^^^^ help: remove the `map` call + +error: aborting due to 6 previous errors + |