103 lines
2.8 KiB
Rust
103 lines
2.8 KiB
Rust
// run-rustfix
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// aux-build:non-exhaustive-enum.rs
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#![deny(clippy::wildcard_enum_match_arm)]
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#![allow(dead_code, unreachable_code, unused_variables)]
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#![allow(
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clippy::diverging_sub_expression,
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clippy::single_match,
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clippy::uninlined_format_args,
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clippy::unnested_or_patterns,
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clippy::wildcard_in_or_patterns
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)]
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extern crate non_exhaustive_enum;
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use non_exhaustive_enum::ErrorKind;
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#[derive(Clone, Copy, Debug, Eq, PartialEq)]
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enum Color {
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Red,
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Green,
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Blue,
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Rgb(u8, u8, u8),
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Cyan,
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}
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impl Color {
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fn is_monochrome(self) -> bool {
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match self {
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Color::Red | Color::Green | Color::Blue => true,
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Color::Rgb(r, g, b) => r | g == 0 || r | b == 0 || g | b == 0,
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Color::Cyan => false,
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}
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}
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}
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fn main() {
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let color = Color::Rgb(0, 0, 127);
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match color {
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Color::Red => println!("Red"),
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Color::Green | Color::Blue | Color::Rgb(..) | Color::Cyan => eprintln!("Not red"),
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};
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match color {
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Color::Red => println!("Red"),
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_not_red @ Color::Green | _not_red @ Color::Blue | _not_red @ Color::Rgb(..) | _not_red @ Color::Cyan => eprintln!("Not red"),
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};
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let _str = match color {
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Color::Red => "Red".to_owned(),
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not_red @ Color::Green | not_red @ Color::Blue | not_red @ Color::Rgb(..) | not_red @ Color::Cyan => format!("{:?}", not_red),
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};
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match color {
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Color::Red => {},
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Color::Green => {},
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Color::Blue => {},
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Color::Cyan => {},
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c if c.is_monochrome() => {},
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Color::Rgb(_, _, _) => {},
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};
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let _str = match color {
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Color::Red => "Red",
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c @ Color::Green | c @ Color::Blue | c @ Color::Rgb(_, _, _) | c @ Color::Cyan => "Not red",
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};
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match color {
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Color::Rgb(r, _, _) if r > 0 => "Some red",
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Color::Red | Color::Green | Color::Blue | Color::Rgb(..) | Color::Cyan => "No red",
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};
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match color {
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Color::Red | Color::Green | Color::Blue | Color::Cyan => {},
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Color::Rgb(..) => {},
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};
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let x: u8 = unimplemented!();
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match x {
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0 => {},
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140 => {},
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_ => {},
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};
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// We need to use an enum not defined in this test because non_exhaustive is ignored for the
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// purposes of dead code analysis within a crate.
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let error_kind = ErrorKind::NotFound;
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match error_kind {
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ErrorKind::NotFound => {},
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ErrorKind::PermissionDenied | _ => {},
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}
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match error_kind {
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ErrorKind::NotFound => {},
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ErrorKind::PermissionDenied => {},
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_ => {},
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}
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{
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#![allow(clippy::manual_non_exhaustive)]
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pub enum Enum {
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A,
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B,
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#[doc(hidden)]
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__Private,
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}
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match Enum::A {
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Enum::A => (),
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Enum::B | Enum::__Private => (),
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}
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}
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}
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