needless_collect: Lint `LinkedList` and `BinaryHeap` in direct usage.

[rust.git] / tests / ui / needless_collect.stderr

diff --git a/tests/ui/needless_collect.stderr b/tests/ui/needless_collect.stderr
index 2a9539d59759d6f73798582868f6f6da667bf6b7..039091627a8d632c3fed7cabff373e95e4315bfc 100644 (file)
--- a/tests/ui/needless_collect.stderr
+++ b/tests/ui/needless_collect.stderr
@@ -19,10 +19,52 @@ LL |     sample.iter().cloned().collect::<Vec<_>>().contains(&1);
    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == 1)`
 
 error: avoid using `collect()` when not needed
-  --> $DIR/needless_collect.rs:16:35
+  --> $DIR/needless_collect.rs:20:35
    |
-LL |     sample.iter().map(|x| (x, x)).collect::<HashMap<_, _>>().len();
-   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
+LL |     sample.iter().map(|x| (x, x)).collect::<HashMap<_, _>>().is_empty();
+   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
 
-error: aborting due to 4 previous errors
+error: avoid using `collect()` when not needed
+  --> $DIR/needless_collect.rs:21:35
+   |
+LL |     sample.iter().map(|x| (x, x)).collect::<BTreeMap<_, _>>().is_empty();
+   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
+
+error: avoid using `collect()` when not needed
+  --> $DIR/needless_collect.rs:28:19
+   |
+LL |     sample.iter().collect::<LinkedList<_>>().len();
+   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
+
+error: avoid using `collect()` when not needed
+  --> $DIR/needless_collect.rs:29:19
+   |
+LL |     sample.iter().collect::<LinkedList<_>>().is_empty();
+   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
+
+error: avoid using `collect()` when not needed
+  --> $DIR/needless_collect.rs:30:28
+   |
+LL |     sample.iter().cloned().collect::<LinkedList<_>>().contains(&1);
+   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == 1)`
+
+error: avoid using `collect()` when not needed
+  --> $DIR/needless_collect.rs:31:19
+   |
+LL |     sample.iter().collect::<LinkedList<_>>().contains(&&1);
+   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == &1)`
+
+error: avoid using `collect()` when not needed
+  --> $DIR/needless_collect.rs:34:19
+   |
+LL |     sample.iter().collect::<BinaryHeap<_>>().len();
+   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
+
+error: avoid using `collect()` when not needed
+  --> $DIR/needless_collect.rs:35:19
+   |
+LL |     sample.iter().collect::<BinaryHeap<_>>().is_empty();
+   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
+
+error: aborting due to 11 previous errors