mirror of https://github.com/rust-lang/rust
48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
error: unused implementer of `Iterator` that must be used
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--> $DIR/must_use-in-stdlib-traits.rs:42:4
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LL | iterator();
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| ^^^^^^^^^^
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= note: iterators are lazy and do nothing unless consumed
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note: the lint level is defined here
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--> $DIR/must_use-in-stdlib-traits.rs:1:9
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LL | #![deny(unused_must_use)]
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| ^^^^^^^^^^^^^^^
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error: unused implementer of `Future` that must be used
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--> $DIR/must_use-in-stdlib-traits.rs:43:4
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LL | future();
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| ^^^^^^^^
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= note: futures do nothing unless you `.await` or poll them
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error: unused implementer of `FnOnce` that must be used
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--> $DIR/must_use-in-stdlib-traits.rs:44:4
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LL | square_fn_once();
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| ^^^^^^^^^^^^^^^^
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= note: closures are lazy and do nothing unless called
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error: unused implementer of `FnMut` that must be used
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--> $DIR/must_use-in-stdlib-traits.rs:45:4
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LL | square_fn_mut();
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| ^^^^^^^^^^^^^^^
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= note: closures are lazy and do nothing unless called
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error: unused implementer of `Fn` that must be used
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--> $DIR/must_use-in-stdlib-traits.rs:46:4
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LL | square_fn();
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| ^^^^^^^^^^^
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= note: closures are lazy and do nothing unless called
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error: aborting due to 5 previous errors
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