// run-rustfix #![warn(clippy::match_wildcard_for_single_variants)] #![allow(dead_code)] enum Foo { A, B, C, } enum Color { Red, Green, Blue, Rgb(u8, u8, u8), } impl Color { fn f(self) { match self { Self::Red => (), Self::Green => (), Self::Blue => (), _ => (), }; } } fn main() { let f = Foo::A; match f { Foo::A => {}, Foo::B => {}, _ => {}, } let color = Color::Red; // check exhaustive bindings match color { Color::Red => {}, Color::Green => {}, Color::Rgb(_r, _g, _b) => {}, _ => {}, } // check exhaustive wild match color { Color::Red => {}, Color::Green => {}, Color::Rgb(..) => {}, _ => {}, } match color { Color::Red => {}, Color::Green => {}, Color::Rgb(_, _, _) => {}, _ => {}, } // shouldn't lint as there is one missing variant // and one that isn't exhaustively covered match color { Color::Red => {}, Color::Green => {}, Color::Rgb(255, _, _) => {}, _ => {}, } // References shouldn't change anything match &color { &Color::Red => (), Color::Green => (), &Color::Rgb(..) => (), &_ => (), } use self::Color as C; match color { C::Red => (), C::Green => (), C::Rgb(..) => (), _ => (), } match color { C::Red => (), Color::Green => (), Color::Rgb(..) => (), _ => (), } match Some(0) { Some(0) => 0, Some(_) => 1, _ => 2, }; #[non_exhaustive] enum Bar { A, B, C, } match Bar::A { Bar::A => (), Bar::B => (), _ => (), }; }