Rust Closure Variables

conditional_closure.rs

fn stuff() {
    // Split the path into its components, and make each component a path.
    let simple_map = |comp: &str| -> Pattern {
        Pattern::simple_pattern(comp)
    };
    let glob_map = |comp: &str| -> Pattern {
        Pattern::glob_pattern(comp)
    };

    let map_fn = match prelude {
        SimpleInclude | SimpleExclude => simple_map,
        GlobInclude | GlobExclude => glob_map
    };

    let components: Vec<Pattern> = path.split('/').map(map_fn).collect();
}