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3988beefb9
`#[derive(AsRefStr)]` will implement `AsStaticRef<str>`, and it enables us to get `&'static str` by `AsStaticRef::<str>::as_static()`. This will solve #23.
53 lines
1.2 KiB
Rust
53 lines
1.2 KiB
Rust
extern crate strum;
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#[macro_use]
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extern crate strum_macros;
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use std::str::FromStr;
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use strum::AsStaticRef;
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#[derive(Debug,Eq,PartialEq,EnumString,AsRefStr)]
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enum Color {
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#[strum(to_string="RedRed")]
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Red,
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#[strum(serialize="b", to_string="blue")]
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Blue { hue: usize },
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#[strum(serialize="y", serialize="yellow")]
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Yellow,
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#[strum(default="true")]
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Green(String),
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}
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#[test]
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fn color_simple() {
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assert_eq!(Color::Red, Color::from_str("RedRed").unwrap());
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}
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#[test]
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fn as_red_str() {
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assert_eq!("RedRed",
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(Color::Red).as_ref());
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assert_eq!(Color::Red,
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Color::from_str((Color::Red).as_ref()).unwrap());
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let _: &'static str = Color::Red.as_static();
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}
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#[test]
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fn as_blue_str() {
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assert_eq!("blue",
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(Color::Blue { hue: 0 }).as_ref());
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let _: &'static str = (Color::Blue { hue: 0 }).as_static();
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}
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#[test]
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fn as_yellow_str() {
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assert_eq!("yellow", (Color::Yellow).as_ref());
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let _: &'static str = Color::Yellow.as_static();
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}
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#[test]
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fn as_green_str() {
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assert_eq!("Green", (Color::Green(String::default())).as_ref());
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let _: &'static str = Color::Green(String::default()).as_static();
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}
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