error: unnecessary parentheses around `return` value --> $DIR/lint-unnecessary-parens.rs:14:12 | LL | return (1); | ^ ^ | note: the lint level is defined here --> $DIR/lint-unnecessary-parens.rs:4:9 | LL | #![deny(unused_parens)] | ^^^^^^^^^^^^^ help: remove these parentheses | LL - return (1); LL + return 1; | error: unnecessary parentheses around `return` value --> $DIR/lint-unnecessary-parens.rs:17:12 | LL | return (X { y }); | ^ ^ | help: remove these parentheses | LL - return (X { y }); LL + return X { y }; | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:20:32 | LL | pub fn around_return_type() -> (u32) { | ^ ^ | help: remove these parentheses | LL - pub fn around_return_type() -> (u32) { LL + pub fn around_return_type() -> u32 { | error: unnecessary parentheses around block return value --> $DIR/lint-unnecessary-parens.rs:26:9 | LL | (5) | ^ ^ | help: remove these parentheses | LL - (5) LL + 5 | error: unnecessary parentheses around block return value --> $DIR/lint-unnecessary-parens.rs:28:5 | LL | (5) | ^ ^ | help: remove these parentheses | LL - (5) LL + 5 | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:40:46 | LL | pub fn around_single_bound_ref() -> &'static (dyn Trait) { | ^ ^ | help: remove these parentheses | LL - pub fn around_single_bound_ref() -> &'static (dyn Trait) { LL + pub fn around_single_bound_ref() -> &'static dyn Trait { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:49:44 | LL | pub fn around_single_bound_ptr() -> *const (dyn Trait) { | ^ ^ | help: remove these parentheses | LL - pub fn around_single_bound_ptr() -> *const (dyn Trait) { LL + pub fn around_single_bound_ptr() -> *const dyn Trait { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:58:72 | LL | pub fn around_single_bound_dyn_fn_output() -> &'static dyn FnOnce() -> (impl Send) { | ^ ^ | help: remove these parentheses | LL - pub fn around_single_bound_dyn_fn_output() -> &'static dyn FnOnce() -> (impl Send) { LL + pub fn around_single_bound_dyn_fn_output() -> &'static dyn FnOnce() -> impl Send { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:71:65 | LL | pub fn around_single_bound_impl_fn_output() -> impl FnOnce() -> (impl Send) { | ^ ^ | help: remove these parentheses | LL - pub fn around_single_bound_impl_fn_output() -> impl FnOnce() -> (impl Send) { LL + pub fn around_single_bound_impl_fn_output() -> impl FnOnce() -> impl Send { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:80:43 | LL | pub fn around_dyn_bound() -> &'static dyn (FnOnce()) { | ^ ^ | help: remove these parentheses | LL - pub fn around_dyn_bound() -> &'static dyn (FnOnce()) { LL + pub fn around_dyn_bound() -> &'static dyn FnOnce() { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:85:42 | LL | pub fn around_impl_trait_bound() -> impl (FnOnce()) { | ^ ^ | help: remove these parentheses | LL - pub fn around_impl_trait_bound() -> impl (FnOnce()) { LL + pub fn around_impl_trait_bound() -> impl FnOnce() { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:95:55 | LL | pub fn around_fn_bound_with_implicit_ret_ty() -> impl (Fn()) + Send { | ^ ^ | help: remove these parentheses | LL - pub fn around_fn_bound_with_implicit_ret_ty() -> impl (Fn()) + Send { LL + pub fn around_fn_bound_with_implicit_ret_ty() -> impl Fn() + Send { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:100:67 | LL | pub fn around_last_fn_bound_with_explicit_ret_ty() -> impl Send + (Fn() -> ()) { | ^ ^ | help: remove these parentheses | LL - pub fn around_last_fn_bound_with_explicit_ret_ty() -> impl Send + (Fn() -> ()) { LL + pub fn around_last_fn_bound_with_explicit_ret_ty() -> impl Send + Fn() -> () { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:105:49 | LL | pub fn around_regular_bound1() -> &'static (dyn (Send) + Sync) { | ^ ^ | help: remove these parentheses | LL - pub fn around_regular_bound1() -> &'static (dyn (Send) + Sync) { LL + pub fn around_regular_bound1() -> &'static (dyn Send + Sync) { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:110:56 | LL | pub fn around_regular_bound2() -> &'static (dyn Send + (Sync)) { | ^ ^ | help: remove these parentheses | LL - pub fn around_regular_bound2() -> &'static (dyn Send + (Sync)) { LL + pub fn around_regular_bound2() -> &'static (dyn Send + Sync) { | error: unnecessary parentheses around type --> $DIR/lint-unnecessary-parens.rs:115:56 | LL | pub fn around_regular_bound3() -> &'static (dyn Send + (::std::marker::Sync)) { | ^ ^ | help: remove these parentheses | LL - pub fn around_regular_bound3() -> &'static (dyn Send + (::std::marker::Sync)) { LL + pub fn around_regular_bound3() -> &'static (dyn Send + ::std::marker::Sync) { | error: unnecessary parentheses around `if` condition --> $DIR/lint-unnecessary-parens.rs:120:7 | LL | if(true) {} | ^ ^ | help: remove these parentheses | LL - if(true) {} LL + if true {} | error: unnecessary parentheses around `while` condition --> $DIR/lint-unnecessary-parens.rs:121:10 | LL | while(true) {} | ^ ^ | help: remove these parentheses | LL - while(true) {} LL + while true {} | error: unnecessary parentheses around `for` iterator expression --> $DIR/lint-unnecessary-parens.rs:122:13 | LL | for _ in(e) {} | ^ ^ | help: remove these parentheses | LL - for _ in(e) {} LL + for _ in e {} | error: unnecessary parentheses around `match` scrutinee expression --> $DIR/lint-unnecessary-parens.rs:123:10 | LL | match(1) { _ => ()} | ^ ^ | help: remove these parentheses | LL - match(1) { _ => ()} LL + match 1 { _ => ()} | error: unnecessary parentheses around `return` value --> $DIR/lint-unnecessary-parens.rs:124:11 | LL | return(1); | ^ ^ | help: remove these parentheses | LL - return(1); LL + return 1; | error: unnecessary parentheses around assigned value --> $DIR/lint-unnecessary-parens.rs:155:31 | LL | pub const CONST_ITEM: usize = (10); | ^ ^ | help: remove these parentheses | LL - pub const CONST_ITEM: usize = (10); LL + pub const CONST_ITEM: usize = 10; | error: unnecessary parentheses around assigned value --> $DIR/lint-unnecessary-parens.rs:156:33 | LL | pub static STATIC_ITEM: usize = (10); | ^ ^ | help: remove these parentheses | LL - pub static STATIC_ITEM: usize = (10); LL + pub static STATIC_ITEM: usize = 10; | error: unnecessary parentheses around function argument --> $DIR/lint-unnecessary-parens.rs:160:9 | LL | bar((true)); | ^ ^ | help: remove these parentheses | LL - bar((true)); LL + bar(true); | error: unnecessary parentheses around `if` condition --> $DIR/lint-unnecessary-parens.rs:162:8 | LL | if (true) {} | ^ ^ | help: remove these parentheses | LL - if (true) {} LL + if true {} | error: unnecessary parentheses around `while` condition --> $DIR/lint-unnecessary-parens.rs:163:11 | LL | while (true) {} | ^ ^ | help: remove these parentheses | LL - while (true) {} LL + while true {} | error: unnecessary parentheses around `match` scrutinee expression --> $DIR/lint-unnecessary-parens.rs:164:11 | LL | match (true) { | ^ ^ | help: remove these parentheses | LL - match (true) { LL + match true { | error: unnecessary parentheses around `let` scrutinee expression --> $DIR/lint-unnecessary-parens.rs:167:16 | LL | if let 1 = (1) {} | ^ ^ | help: remove these parentheses | LL - if let 1 = (1) {} LL + if let 1 = 1 {} | error: unnecessary parentheses around `let` scrutinee expression --> $DIR/lint-unnecessary-parens.rs:168:19 | LL | while let 1 = (2) {} | ^ ^ | help: remove these parentheses | LL - while let 1 = (2) {} LL + while let 1 = 2 {} | error: unnecessary parentheses around method argument --> $DIR/lint-unnecessary-parens.rs:184:24 | LL | X { y: false }.foo((true)); | ^ ^ | help: remove these parentheses | LL - X { y: false }.foo((true)); LL + X { y: false }.foo(true); | error: unnecessary parentheses around assigned value --> $DIR/lint-unnecessary-parens.rs:186:18 | LL | let mut _a = (0); | ^ ^ | help: remove these parentheses | LL - let mut _a = (0); LL + let mut _a = 0; | error: unnecessary parentheses around assigned value --> $DIR/lint-unnecessary-parens.rs:187:10 | LL | _a = (0); | ^ ^ | help: remove these parentheses | LL - _a = (0); LL + _a = 0; | error: unnecessary parentheses around assigned value --> $DIR/lint-unnecessary-parens.rs:188:11 | LL | _a += (1); | ^ ^ | help: remove these parentheses | LL - _a += (1); LL + _a += 1; | error: unnecessary parentheses around pattern --> $DIR/lint-unnecessary-parens.rs:190:8 | LL | let(mut _a) = 3; | ^ ^ | help: remove these parentheses | LL - let(mut _a) = 3; LL + let mut _a = 3; | error: unnecessary parentheses around pattern --> $DIR/lint-unnecessary-parens.rs:191:9 | LL | let (mut _a) = 3; | ^ ^ | help: remove these parentheses | LL - let (mut _a) = 3; LL + let mut _a = 3; | error: unnecessary parentheses around pattern --> $DIR/lint-unnecessary-parens.rs:192:8 | LL | let( mut _a) = 3; | ^^ ^ | help: remove these parentheses | LL - let( mut _a) = 3; LL + let mut _a = 3; | error: unnecessary parentheses around pattern --> $DIR/lint-unnecessary-parens.rs:194:8 | LL | let(_a) = 3; | ^ ^ | help: remove these parentheses | LL - let(_a) = 3; LL + let _a = 3; | error: unnecessary parentheses around pattern --> $DIR/lint-unnecessary-parens.rs:195:9 | LL | let (_a) = 3; | ^ ^ | help: remove these parentheses | LL - let (_a) = 3; LL + let _a = 3; | error: unnecessary parentheses around pattern --> $DIR/lint-unnecessary-parens.rs:196:8 | LL | let( _a) = 3; | ^^ ^ | help: remove these parentheses | LL - let( _a) = 3; LL + let _a = 3; | error: unnecessary parentheses around block return value --> $DIR/lint-unnecessary-parens.rs:202:9 | LL | (unit!() - One) | ^ ^ | help: remove these parentheses | LL - (unit!() - One) LL + unit!() - One | error: unnecessary parentheses around block return value --> $DIR/lint-unnecessary-parens.rs:204:9 | LL | (unit![] - One) | ^ ^ | help: remove these parentheses | LL - (unit![] - One) LL + unit![] - One | error: unnecessary parentheses around block return value --> $DIR/lint-unnecessary-parens.rs:207:9 | LL | (unit! {} - One) | ^ ^ | help: remove these parentheses | LL - (unit! {} - One) LL + unit! {} - One | error: unnecessary parentheses around assigned value --> $DIR/lint-unnecessary-parens.rs:212:14 | LL | let _r = (&x); | ^ ^ | help: remove these parentheses | LL - let _r = (&x); LL + let _r = &x; | error: unnecessary parentheses around assigned value --> $DIR/lint-unnecessary-parens.rs:213:14 | LL | let _r = (&mut x); | ^ ^ | help: remove these parentheses | LL - let _r = (&mut x); LL + let _r = &mut x; | error: aborting due to 44 previous errors