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error: lifetime parameter `'a` only used once
--> $DIR/one-use-in-fn-argument.rs:8:6
|
LL | fn a<'a>(x: &'a u32) {
| ^^ -- ...is used only here
| |
| this lifetime...
|
note: the lint level is defined here
--> $DIR/one-use-in-fn-argument.rs:1:9
|
LL | #![deny(single_use_lifetimes)]
| ^^^^^^^^^^^^^^^^^^^^
help: elide the single-use lifetime
|
LL - fn a<'a>(x: &'a u32) {
LL + fn a(x: &u32) {
|
error: lifetime parameter `'m` only used once
--> $DIR/one-use-in-fn-argument.rs:15:11
|
LL | fn center<'m>(_: Single<'m>) {}
| ^^ -- ...is used only here
| |
| this lifetime...
|
help: elide the single-use lifetime
|
LL - fn center<'m>(_: Single<'m>) {}
LL + fn center(_: Single<'_>) {}
|
error: lifetime parameter `'y` only used once
--> $DIR/one-use-in-fn-argument.rs:17:13
|
LL | fn left<'x, 'y>(foo: Double<'x, 'y>) -> &'x u32 { foo.f }
| ^^ this lifetime... -- ...is used only here
|
help: elide the single-use lifetime
|
LL - fn left<'x, 'y>(foo: Double<'x, 'y>) -> &'x u32 { foo.f }
LL + fn left<'x>(foo: Double<'x, '_>) -> &'x u32 { foo.f }
|
error: lifetime parameter `'x` only used once
--> $DIR/one-use-in-fn-argument.rs:19:10
|
LL | fn right<'x, 'y>(foo: Double<'x, 'y>) -> &'y u32 { foo.f }
| ^^ this lifetime... -- ...is used only here
|
help: elide the single-use lifetime
|
LL - fn right<'x, 'y>(foo: Double<'x, 'y>) -> &'y u32 { foo.f }
LL + fn right<'y>(foo: Double<'_, 'y>) -> &'y u32 { foo.f }
|
error: aborting due to 4 previous errors
|
