diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/iter_overeager_cloned.stderr')
-rw-r--r-- | src/tools/clippy/tests/ui/iter_overeager_cloned.stderr | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/iter_overeager_cloned.stderr b/src/tools/clippy/tests/ui/iter_overeager_cloned.stderr new file mode 100644 index 000000000..dcae7cecd --- /dev/null +++ b/src/tools/clippy/tests/ui/iter_overeager_cloned.stderr @@ -0,0 +1,70 @@ +error: unnecessarily eager cloning of iterator items + --> $DIR/iter_overeager_cloned.rs:8:29 + | +LL | let _: Option<String> = vec.iter().cloned().last(); + | ^^^^^^^^^^---------------- + | | + | help: try this: `.last().cloned()` + | + = note: `-D clippy::iter-overeager-cloned` implied by `-D warnings` + +error: unnecessarily eager cloning of iterator items + --> $DIR/iter_overeager_cloned.rs:10:29 + | +LL | let _: Option<String> = vec.iter().chain(vec.iter()).cloned().next(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------- + | | + | help: try this: `.next().cloned()` + +error: unneeded cloning of iterator items + --> $DIR/iter_overeager_cloned.rs:12:20 + | +LL | let _: usize = vec.iter().filter(|x| x == &"2").cloned().count(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------- + | | + | help: try this: `.count()` + | + = note: `-D clippy::redundant-clone` implied by `-D warnings` + +error: unnecessarily eager cloning of iterator items + --> $DIR/iter_overeager_cloned.rs:14:21 + | +LL | let _: Vec<_> = vec.iter().cloned().take(2).collect(); + | ^^^^^^^^^^----------------- + | | + | help: try this: `.take(2).cloned()` + +error: unnecessarily eager cloning of iterator items + --> $DIR/iter_overeager_cloned.rs:16:21 + | +LL | let _: Vec<_> = vec.iter().cloned().skip(2).collect(); + | ^^^^^^^^^^----------------- + | | + | help: try this: `.skip(2).cloned()` + +error: unnecessarily eager cloning of iterator items + --> $DIR/iter_overeager_cloned.rs:18:13 + | +LL | let _ = vec.iter().filter(|x| x == &"2").cloned().nth(2); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------- + | | + | help: try this: `.nth(2).cloned()` + +error: unnecessarily eager cloning of iterator items + --> $DIR/iter_overeager_cloned.rs:20:13 + | +LL | let _ = [Some(Some("str".to_string())), Some(Some("str".to_string()))] + | _____________^ +LL | | .iter() +LL | | .cloned() +LL | | .flatten(); + | |__________________^ + | +help: try this + | +LL ~ .iter() +LL ~ .flatten().cloned(); + | + +error: aborting due to 7 previous errors + |