alef 0.114.2

Opinionated polyglot binding generator for Rust libraries
Documentation 
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pub enum Failure {
    Named { message: String, source: Option<String> },
    Hidden { source: Option<String> },
    Tuple(String, Option<String>),
}
fn selected(value: &Failure) -> Option<&str> {
    match value { {{ pattern }} => {{ selected }}, _ => Some("wrong variant") }
}
fn main() {
    assert_eq!(selected(&{{ value }}), {{ expected }});
}