Function build_function_detail

src/document_symbols.rs:431–460

Build a detail string for a standalone function showing its signature.

(func: &FunctionInfo)

/// Build a detail string for a standalone function showing its signature.
fn build_function_detail(func: &FunctionInfo) -> Option<String> {
    let mut detail = String::new();

    detail.push('(');
    let params: Vec<String> = func
        .parameters
        .iter()
        .map(|p| {
            let mut s = String::new();
            if let Some(ref t) = p.type_hint {
                s.push_str(&t.to_string());
                s.push(' ');
            }
            if p.is_variadic {
                s.push_str("...");
            }
            s.push_str(&p.name);
            s
        })
        .collect();
    detail.push_str(&params.join(", "));
    detail.push(')');

    if let Some(ref ret) = func.return_type {
        detail.push_str(": ");
        detail.push_str(&ret.to_string());
    }

    Some(detail)
}

/// Find the start of a class/interface/trait/enum name token after the
/// keyword at `keyword_offset`. Scans forward past whitespace to find