# Macro rustc_feature::builtin_attrs::template

source ·

    macro_rules! template {
        (Word) => { ... };
        (List: $descr: expr) => { ... };
        (NameValueStr: $descr: expr) => { ... };
        (Word, List: $descr: expr) => { ... };
        (Word, NameValueStr: $descr: expr) => { ... };
        (List: $descr1: expr, NameValueStr: $descr2: expr) => { ... };
        (Word, List: $descr1: expr, NameValueStr: $descr2: expr) => { ... };
        (@ $word: expr, $list: expr, $name_value_str: expr) => { ... };
    }

Expand description

A convenience macro for constructing attribute templates. E.g., `template!(Word, List: "description")` means that the attribute supports forms `#[attr]` and `#[attr(description)]`.