error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) --> $DIR/needless_lifetimes.rs:11:1 | 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) --> $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) --> $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 | 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 | 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 | 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 | 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 | 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 | 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 | LL | fn struct_with_lt<'a>(_foo: Foo<'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:186:1 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | LL | fn lifetime_elsewhere<'a>(self: Box, 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 | 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 | 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 | LL | fn lifetime_elsewhere<'a>(self: Box, 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 | LL | fn lifetime_elsewhere_provided<'a>(self: Box, here: &'a ()) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 31 previous errors