mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-10 23:24:24 +00:00
316 lines
12 KiB
Text
316 lines
12 KiB
Text
error: the following explicit lifetimes could be elided: 'a, 'b
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--> $DIR/needless_lifetimes.rs:11:1
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LL | fn distinct_lifetimes<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: u8) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::needless-lifetimes` implied by `-D warnings`
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error: the following explicit lifetimes could be elided: 'a, 'b
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--> $DIR/needless_lifetimes.rs:13:1
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LL | fn distinct_and_static<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: &'static u8) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:23:1
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LL | fn in_and_out<'a>(x: &'a u8, _y: u8) -> &'a u8 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'b
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--> $DIR/needless_lifetimes.rs:35:1
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LL | fn multiple_in_and_out_2a<'a, 'b>(x: &'a u8, _y: &'b u8) -> &'a u8 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:42:1
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LL | fn multiple_in_and_out_2b<'a, 'b>(_x: &'a u8, y: &'b u8) -> &'b u8 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'b
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--> $DIR/needless_lifetimes.rs:59:1
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LL | fn deep_reference_1a<'a, 'b>(x: &'a u8, _y: &'b u8) -> Result<&'a u8, ()> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:66:1
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LL | fn deep_reference_1b<'a, 'b>(_x: &'a u8, y: &'b u8) -> Result<&'b u8, ()> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:75:1
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LL | fn deep_reference_3<'a>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:80:1
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LL | fn where_clause_without_lt<'a, T>(x: &'a u8, _y: u8) -> Result<&'a u8, ()>
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a, 'b
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--> $DIR/needless_lifetimes.rs:92:1
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LL | fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: replace with `'_` in generic arguments such as here
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--> $DIR/needless_lifetimes.rs:92:37
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LL | fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) {}
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| ^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:116:1
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LL | fn fn_bound_2<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I>
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: replace with `'_` in generic arguments such as here
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--> $DIR/needless_lifetimes.rs:116:32
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LL | fn fn_bound_2<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I>
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| ^^
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error: the following explicit lifetimes could be elided: 's
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--> $DIR/needless_lifetimes.rs:146:5
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LL | fn self_and_out<'s>(&'s self) -> &'s u8 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 't
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--> $DIR/needless_lifetimes.rs:153:5
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LL | fn self_and_in_out_1<'s, 't>(&'s self, _x: &'t u8) -> &'s u8 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 's
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--> $DIR/needless_lifetimes.rs:160:5
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LL | fn self_and_in_out_2<'s, 't>(&'s self, x: &'t u8) -> &'t u8 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 's, 't
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--> $DIR/needless_lifetimes.rs:164:5
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LL | fn distinct_self_and_in<'s, 't>(&'s self, _x: &'t u8) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:183:1
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LL | fn struct_with_lt<'a>(_foo: Foo<'a>) -> &'a str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: replace with `'_` in generic arguments such as here
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--> $DIR/needless_lifetimes.rs:183:33
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LL | fn struct_with_lt<'a>(_foo: Foo<'a>) -> &'a str {
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| ^^
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error: the following explicit lifetimes could be elided: 'b
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--> $DIR/needless_lifetimes.rs:201:1
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LL | fn struct_with_lt4a<'a, 'b>(_foo: &'a Foo<'b>) -> &'a str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: replace with `'_` in generic arguments such as here
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--> $DIR/needless_lifetimes.rs:201:43
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LL | fn struct_with_lt4a<'a, 'b>(_foo: &'a Foo<'b>) -> &'a str {
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| ^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:209:1
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LL | fn struct_with_lt4b<'a, 'b>(_foo: &'a Foo<'b>) -> &'b str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:224:1
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LL | fn trait_obj_elided2<'a>(_arg: &'a dyn Drop) -> &'a str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:230:1
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LL | fn alias_with_lt<'a>(_foo: FooAlias<'a>) -> &'a str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: replace with `'_` in generic arguments such as here
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--> $DIR/needless_lifetimes.rs:230:37
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LL | fn alias_with_lt<'a>(_foo: FooAlias<'a>) -> &'a str {
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| ^^
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error: the following explicit lifetimes could be elided: 'b
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--> $DIR/needless_lifetimes.rs:248:1
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LL | fn alias_with_lt4a<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'a str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: replace with `'_` in generic arguments such as here
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--> $DIR/needless_lifetimes.rs:248:47
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LL | fn alias_with_lt4a<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'a str {
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| ^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:256:1
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LL | fn alias_with_lt4b<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'b str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:260:1
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LL | fn named_input_elided_output<'a>(_arg: &'a str) -> &str {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:268:1
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LL | fn trait_bound_ok<'a, T: WithLifetime<'static>>(_: &'a u8, _: T) {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:304:1
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LL | fn out_return_type_lts<'a>(e: &'a str) -> Cow<'a> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: replace with `'_` in generic arguments such as here
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--> $DIR/needless_lifetimes.rs:304:47
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LL | fn out_return_type_lts<'a>(e: &'a str) -> Cow<'a> {
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| ^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:311:9
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LL | fn needless_lt<'a>(x: &'a u8) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:315:9
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LL | fn needless_lt<'a>(_x: &'a u8) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:328:9
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LL | fn baz<'a>(&'a self) -> impl Foo + 'a {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:360:5
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LL | fn impl_trait_elidable_nested_anonymous_lifetimes<'a>(i: &'a i32, f: impl Fn(&i32) -> &i32) -> &'a i32 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:369:5
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LL | fn generics_elidable<'a, T: Fn(&i32) -> &i32>(i: &'a i32, f: T) -> &'a i32 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:381:5
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LL | fn where_clause_elidadable<'a, T>(i: &'a i32, f: T) -> &'a i32
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:396:5
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LL | fn pointer_fn_elidable<'a>(i: &'a i32, f: fn(&i32) -> &i32) -> &'a i32 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:409:5
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LL | fn nested_fn_pointer_3<'a>(_: &'a i32) -> fn(fn(&i32) -> &i32) -> i32 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:412:5
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LL | fn nested_fn_pointer_4<'a>(_: &'a i32) -> impl Fn(fn(&i32)) {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:434:9
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LL | fn implicit<'a>(&'a self) -> &'a () {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:437:9
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LL | fn implicit_mut<'a>(&'a mut self) -> &'a () {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:448:9
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LL | fn lifetime_elsewhere<'a>(self: Box<Self>, here: &'a ()) -> &'a () {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:454:9
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LL | fn implicit<'a>(&'a self) -> &'a ();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:455:9
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LL | fn implicit_provided<'a>(&'a self) -> &'a () {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:464:9
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LL | fn lifetime_elsewhere<'a>(self: Box<Self>, here: &'a ()) -> &'a ();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:465:9
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LL | fn lifetime_elsewhere_provided<'a>(self: Box<Self>, here: &'a ()) -> &'a () {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:474:5
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LL | fn foo<'a>(x: &'a u8, y: &'_ u8) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:476:5
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LL | fn bar<'a>(x: &'a u8, y: &'_ u8, z: &'_ u8) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:483:5
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LL | fn one_input<'a>(x: &'a u8) -> &'a u8 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the following explicit lifetimes could be elided: 'a
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--> $DIR/needless_lifetimes.rs:488:5
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LL | fn multiple_inputs_output_not_elided<'a, 'b>(x: &'a u8, y: &'b u8, z: &'b u8) -> &'b u8 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 45 previous errors
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