64 lines
1.3 KiB
Rust
64 lines
1.3 KiB
Rust
#![warn(clippy::double_parens)]
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#![allow(dead_code, clippy::eq_op)]
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#![feature(custom_inner_attributes)]
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#![rustfmt::skip]
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fn dummy_fn<T>(_: T) {}
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struct DummyStruct;
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impl DummyStruct {
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fn dummy_method<T>(self, _: T) {}
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}
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fn simple_double_parens() -> i32 {
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((0))
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//~^ ERROR: consider removing unnecessary double parentheses
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//~| NOTE: `-D clippy::double-parens` implied by `-D warnings`
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}
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fn fn_double_parens() {
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dummy_fn((0));
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//~^ ERROR: consider removing unnecessary double parentheses
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}
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fn method_double_parens(x: DummyStruct) {
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x.dummy_method((0));
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//~^ ERROR: consider removing unnecessary double parentheses
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}
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fn tuple_double_parens() -> (i32, i32) {
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((1, 2))
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//~^ ERROR: consider removing unnecessary double parentheses
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}
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fn unit_double_parens() {
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(())
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//~^ ERROR: consider removing unnecessary double parentheses
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}
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fn fn_tuple_ok() {
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dummy_fn((1, 2));
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}
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fn method_tuple_ok(x: DummyStruct) {
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x.dummy_method((1, 2));
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}
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fn fn_unit_ok() {
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dummy_fn(());
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}
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fn method_unit_ok(x: DummyStruct) {
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x.dummy_method(());
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}
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// Issue #3206
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fn inside_macro() {
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assert_eq!((1, 2), (1, 2), "Error");
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assert_eq!(((1, 2)), (1, 2), "Error");
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//~^ ERROR: consider removing unnecessary double parentheses
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}
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fn main() {}
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