diff options
Diffstat (limited to 'tests/ui/lint/unused/must_use-in-stdlib-traits.stderr')
| -rw-r--r-- | tests/ui/lint/unused/must_use-in-stdlib-traits.stderr | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ui/lint/unused/must_use-in-stdlib-traits.stderr b/tests/ui/lint/unused/must_use-in-stdlib-traits.stderr new file mode 100644 index 000000000..ef738708d --- /dev/null +++ b/tests/ui/lint/unused/must_use-in-stdlib-traits.stderr @@ -0,0 +1,47 @@ +error: unused implementer of `Iterator` that must be used + --> $DIR/must_use-in-stdlib-traits.rs:42:4 + | +LL | iterator(); + | ^^^^^^^^^^ + | + = note: iterators are lazy and do nothing unless consumed +note: the lint level is defined here + --> $DIR/must_use-in-stdlib-traits.rs:1:9 + | +LL | #![deny(unused_must_use)] + | ^^^^^^^^^^^^^^^ + +error: unused implementer of `Future` that must be used + --> $DIR/must_use-in-stdlib-traits.rs:43:4 + | +LL | future(); + | ^^^^^^^^ + | + = note: futures do nothing unless you `.await` or poll them + +error: unused implementer of `FnOnce` that must be used + --> $DIR/must_use-in-stdlib-traits.rs:44:4 + | +LL | square_fn_once(); + | ^^^^^^^^^^^^^^^^ + | + = note: closures are lazy and do nothing unless called + +error: unused implementer of `FnMut` that must be used + --> $DIR/must_use-in-stdlib-traits.rs:45:4 + | +LL | square_fn_mut(); + | ^^^^^^^^^^^^^^^ + | + = note: closures are lazy and do nothing unless called + +error: unused implementer of `Fn` that must be used + --> $DIR/must_use-in-stdlib-traits.rs:46:4 + | +LL | square_fn(); + | ^^^^^^^^^^^ + | + = note: closures are lazy and do nothing unless called + +error: aborting due to 5 previous errors + |