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Ruby's `%w(…)` as Rust macro. https://play.rust-lang.org/?gist=8b71c62ab51585b7e977d95601ba1a08&version=stable&backtrace=0
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| macro_rules! w { | |
| ($($x:ident)+) => { | |
| vec![$(stringify!($x),)*] | |
| } | |
| } | |
| #[test] | |
| fn ident_vec() { | |
| assert_eq!(w![foo bar baz], vec!["foo", "bar", "baz"]); | |
| } |
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