48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
error: unused implementer of `Iterator` that must be used
|
|
--> $DIR/must_use-in-stdlib-traits.rs:42:4
|
|
|
|
|
LL | iterator();
|
|
| ^^^^^^^^^^^
|
|
|
|
|
note: the lint level is defined here
|
|
--> $DIR/must_use-in-stdlib-traits.rs:1:9
|
|
|
|
|
LL | #![deny(unused_must_use)]
|
|
| ^^^^^^^^^^^^^^^
|
|
= note: iterators are lazy and do nothing unless consumed
|
|
|
|
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
|
|
|