diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/needless_lifetimes.stderr')
| -rw-r--r-- | src/tools/clippy/tests/ui/needless_lifetimes.stderr | 246 |
1 files changed, 186 insertions, 60 deletions
diff --git a/src/tools/clippy/tests/ui/needless_lifetimes.stderr b/src/tools/clippy/tests/ui/needless_lifetimes.stderr index 3c428fd46..5a7cf13c8 100644 --- a/src/tools/clippy/tests/ui/needless_lifetimes.stderr +++ b/src/tools/clippy/tests/ui/needless_lifetimes.stderr @@ -1,4 +1,4 @@ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) +error: the following explicit lifetimes could be elided: 'a, 'b --> $DIR/needless_lifetimes.rs:11:1 | LL | fn distinct_lifetimes<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: u8) {} @@ -6,185 +6,311 @@ LL | fn distinct_lifetimes<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: u8) {} | = note: `-D clippy::needless-lifetimes` implied by `-D warnings` -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) +error: the following explicit lifetimes could be elided: 'a, 'b --> $DIR/needless_lifetimes.rs:13:1 | LL | fn distinct_and_static<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: &'static u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) +error: the following explicit lifetimes could be elided: 'a --> $DIR/needless_lifetimes.rs:23:1 | LL | fn in_and_out<'a>(x: &'a u8, _y: u8) -> &'a u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:57:1 +error: the following explicit lifetimes could be elided: 'b + --> $DIR/needless_lifetimes.rs:35:1 + | +LL | fn multiple_in_and_out_2a<'a, 'b>(x: &'a u8, _y: &'b u8) -> &'a u8 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:42:1 + | +LL | fn multiple_in_and_out_2b<'a, 'b>(_x: &'a u8, y: &'b u8) -> &'b u8 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 'b + --> $DIR/needless_lifetimes.rs:59:1 + | +LL | fn deep_reference_1a<'a, 'b>(x: &'a u8, _y: &'b u8) -> Result<&'a u8, ()> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:66:1 + | +LL | fn deep_reference_1b<'a, 'b>(_x: &'a u8, y: &'b u8) -> Result<&'b u8, ()> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:75:1 | LL | fn deep_reference_3<'a>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:62:1 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:80:1 | LL | fn where_clause_without_lt<'a, T>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:74:1 +error: the following explicit lifetimes could be elided: 'a, 'b + --> $DIR/needless_lifetimes.rs:92:1 | LL | fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace with `'_` in generic arguments such as here + --> $DIR/needless_lifetimes.rs:92:37 + | +LL | fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) {} + | ^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:98:1 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:116:1 | LL | fn fn_bound_2<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace with `'_` in generic arguments such as here + --> $DIR/needless_lifetimes.rs:116:32 + | +LL | fn fn_bound_2<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I> + | ^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:128:5 +error: the following explicit lifetimes could be elided: 's + --> $DIR/needless_lifetimes.rs:146:5 | LL | fn self_and_out<'s>(&'s self) -> &'s u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:137:5 +error: the following explicit lifetimes could be elided: 't + --> $DIR/needless_lifetimes.rs:153:5 + | +LL | fn self_and_in_out_1<'s, 't>(&'s self, _x: &'t u8) -> &'s u8 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 's + --> $DIR/needless_lifetimes.rs:160:5 + | +LL | fn self_and_in_out_2<'s, 't>(&'s self, x: &'t u8) -> &'t u8 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 's, 't + --> $DIR/needless_lifetimes.rs:164:5 | LL | fn distinct_self_and_in<'s, 't>(&'s self, _x: &'t u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:156:1 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:183:1 | LL | fn struct_with_lt<'a>(_foo: Foo<'a>) -> &'a str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace with `'_` in generic arguments such as here + --> $DIR/needless_lifetimes.rs:183:33 + | +LL | fn struct_with_lt<'a>(_foo: Foo<'a>) -> &'a str { + | ^^ + +error: the following explicit lifetimes could be elided: 'b + --> $DIR/needless_lifetimes.rs:201:1 + | +LL | fn struct_with_lt4a<'a, 'b>(_foo: &'a Foo<'b>) -> &'a str { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace with `'_` in generic arguments such as here + --> $DIR/needless_lifetimes.rs:201:43 + | +LL | fn struct_with_lt4a<'a, 'b>(_foo: &'a Foo<'b>) -> &'a str { + | ^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:209:1 + | +LL | fn struct_with_lt4b<'a, 'b>(_foo: &'a Foo<'b>) -> &'b str { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:186:1 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:224:1 | LL | fn trait_obj_elided2<'a>(_arg: &'a dyn Drop) -> &'a str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:192:1 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:230:1 | LL | fn alias_with_lt<'a>(_foo: FooAlias<'a>) -> &'a str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace with `'_` in generic arguments such as here + --> $DIR/needless_lifetimes.rs:230:37 + | +LL | fn alias_with_lt<'a>(_foo: FooAlias<'a>) -> &'a str { + | ^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:211:1 +error: the following explicit lifetimes could be elided: 'b + --> $DIR/needless_lifetimes.rs:248:1 + | +LL | fn alias_with_lt4a<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'a str { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace with `'_` in generic arguments such as here + --> $DIR/needless_lifetimes.rs:248:47 + | +LL | fn alias_with_lt4a<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'a str { + | ^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:256:1 + | +LL | fn alias_with_lt4b<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'b str { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:260:1 | LL | fn named_input_elided_output<'a>(_arg: &'a str) -> &str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:219:1 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:268:1 | LL | fn trait_bound_ok<'a, T: WithLifetime<'static>>(_: &'a u8, _: T) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:255:1 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:304:1 | LL | fn out_return_type_lts<'a>(e: &'a str) -> Cow<'a> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace with `'_` in generic arguments such as here + --> $DIR/needless_lifetimes.rs:304:47 + | +LL | fn out_return_type_lts<'a>(e: &'a str) -> Cow<'a> { + | ^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:262:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:311:9 | LL | fn needless_lt<'a>(x: &'a u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:266:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:315:9 | LL | fn needless_lt<'a>(_x: &'a u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:279:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:328:9 | LL | fn baz<'a>(&'a self) -> impl Foo + 'a { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:311:5 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:360:5 | LL | fn impl_trait_elidable_nested_anonymous_lifetimes<'a>(i: &'a i32, f: impl Fn(&i32) -> &i32) -> &'a i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:320:5 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:369:5 | LL | fn generics_elidable<'a, T: Fn(&i32) -> &i32>(i: &'a i32, f: T) -> &'a i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:332:5 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:381:5 | LL | fn where_clause_elidadable<'a, T>(i: &'a i32, f: T) -> &'a i32 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:347:5 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:396:5 | LL | fn pointer_fn_elidable<'a>(i: &'a i32, f: fn(&i32) -> &i32) -> &'a i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:360:5 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:409:5 | LL | fn nested_fn_pointer_3<'a>(_: &'a i32) -> fn(fn(&i32) -> &i32) -> i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:363:5 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:412:5 | LL | fn nested_fn_pointer_4<'a>(_: &'a i32) -> impl Fn(fn(&i32)) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:385:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:434:9 | LL | fn implicit<'a>(&'a self) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:388:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:437:9 | LL | fn implicit_mut<'a>(&'a mut self) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:399:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:448:9 | LL | fn lifetime_elsewhere<'a>(self: Box<Self>, here: &'a ()) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:405:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:454:9 | LL | fn implicit<'a>(&'a self) -> &'a (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:406:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:455:9 | LL | fn implicit_provided<'a>(&'a self) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:415:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:464:9 | LL | fn lifetime_elsewhere<'a>(self: Box<Self>, here: &'a ()) -> &'a (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) - --> $DIR/needless_lifetimes.rs:416:9 +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:465:9 | LL | fn lifetime_elsewhere_provided<'a>(self: Box<Self>, here: &'a ()) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 31 previous errors +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:474:5 + | +LL | fn foo<'a>(x: &'a u8, y: &'_ u8) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:476:5 + | +LL | fn bar<'a>(x: &'a u8, y: &'_ u8, z: &'_ u8) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:483:5 + | +LL | fn one_input<'a>(x: &'a u8) -> &'a u8 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:488:5 + | +LL | fn multiple_inputs_output_not_elided<'a, 'b>(x: &'a u8, y: &'b u8, z: &'b u8) -> &'b u8 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 45 previous errors |