#![allow(deprecated)] use std::str::FromStr; use strum::{AsRefStr, AsStaticRef, AsStaticStr, EnumString, IntoStaticStr}; mod core {} // ensure macros call `::core` #[derive(Debug, Eq, PartialEq, EnumString, AsRefStr, AsStaticStr, IntoStaticStr)] enum Color { #[strum(to_string = "RedRed")] Red, #[strum(serialize = "b", to_string = "blue")] Blue { hue: usize }, #[strum(serialize = "y", serialize = "yellow")] Yellow, #[strum(default)] Green(String), } #[test] fn as_red_str() { assert_eq!("RedRed", (Color::Red).as_ref()); assert_eq!(Color::Red, Color::from_str((Color::Red).as_ref()).unwrap()); } #[test] fn as_blue_str() { assert_eq!("blue", (Color::Blue { hue: 0 }).as_ref()); let _: &'static str = (Color::Blue { hue: 0 }).as_static(); } #[test] fn as_yellow_str() { assert_eq!("yellow", (Color::Yellow).as_ref()); let _: &'static str = (Color::Yellow).as_static(); } #[test] fn as_green_str() { assert_eq!("Green", (Color::Green(String::default())).as_ref()); let _: &'static str = (Color::Green(String::default())).as_static(); } #[derive(IntoStaticStr)] enum Foo<'a> { A, C(&'a i32), } #[derive(IntoStaticStr)] enum Boo<'a, T> { A(T), B, C(&'a i32), } #[derive(IntoStaticStr)] enum Moo<'a, T> where T: AsRef, { A(T), B, C(&'a i32), } #[test] fn test_into_static_str() { assert_eq!("RedRed", <&'static str>::from(Color::Red)); assert_eq!("blue", <&'static str>::from(Color::Blue { hue: 0 })); assert_eq!("yellow", <&'static str>::from(Color::Yellow)); assert_eq!("RedRed", <&'static str>::from(&Color::Red)); assert_eq!("blue", <&'static str>::from(&Color::Blue { hue: 0 })); assert_eq!("yellow", <&'static str>::from(&Color::Yellow)); assert_eq!("A", <&'static str>::from(Foo::A)); assert_eq!("C", <&'static str>::from(Foo::C(&17))); assert_eq!("A", <&'static str>::from(Boo::A(17))); assert_eq!("B", <&'static str>::from(Boo::B::)); assert_eq!("C", <&'static str>::from(Boo::C::(&17))); assert_eq!("A", <&'static str>::from(Moo::A::("aaa".into()))); assert_eq!("B", <&'static str>::from(Moo::B::)); assert_eq!("C", <&'static str>::from(Moo::C::(&17))); } #[derive(Debug, Eq, PartialEq, AsRefStr, AsStaticStr, IntoStaticStr)] #[strum(serialize_all = "snake_case")] enum Brightness { DarkBlack, Dim { glow: usize, }, #[strum(serialize = "Bright")] BrightWhite, } #[test] fn brightness_serialize_all() { assert_eq!("dark_black", Brightness::DarkBlack.as_ref()); assert_eq!("dim", Brightness::Dim { glow: 0 }.as_ref()); assert_eq!("Bright", Brightness::BrightWhite.as_ref()); assert_eq!("dark_black", Brightness::DarkBlack.as_static()); assert_eq!("dim", Brightness::Dim { glow: 0 }.as_static()); assert_eq!("Bright", Brightness::BrightWhite.as_static()); assert_eq!("dark_black", <&'static str>::from(Brightness::DarkBlack)); assert_eq!("dim", <&'static str>::from(Brightness::Dim { glow: 0 })); assert_eq!("Bright", <&'static str>::from(Brightness::BrightWhite)); }