rust/tests/ui/match_same_arms.rs
2020-01-25 14:25:45 +09:00

57 lines
1.2 KiB
Rust

#![warn(clippy::match_same_arms)]
pub enum Abc {
A,
B,
C,
}
fn match_same_arms() {
let _ = match Abc::A {
Abc::A => 0,
Abc::B => 1,
_ => 0, //~ ERROR match arms have same body
};
match (1, 2, 3) {
(1, .., 3) => 42,
(.., 3) => 42, //~ ERROR match arms have same body
_ => 0,
};
let _ = match 42 {
42 => 1,
51 => 1, //~ ERROR match arms have same body
41 => 2,
52 => 2, //~ ERROR match arms have same body
_ => 0,
};
let _ = match 42 {
1 => 2,
2 => 2, //~ ERROR 2nd matched arms have same body
3 => 2, //~ ERROR 3rd matched arms have same body
4 => 3,
_ => 0,
};
}
mod issue4244 {
#[derive(PartialEq, PartialOrd, Eq, Ord)]
pub enum CommandInfo {
BuiltIn { name: String, about: Option<String> },
External { name: String, path: std::path::PathBuf },
}
impl CommandInfo {
pub fn name(&self) -> String {
match self {
CommandInfo::BuiltIn { name, .. } => name.to_string(),
CommandInfo::External { name, .. } => name.to_string(),
}
}
}
}
fn main() {}