Function expression

lib/codemirror/mode/rust/rust.js:205–217

(type)

    return pass();
  }
  function expression(type) {
    if (type == "atom" || type == "name") return cont(maybeop);
    if (type == "{") return cont(pushlex("}"), exprbrace, poplex);
    if (type.match(/[\[\(]/)) return matchBrackets(type, expression);
    if (type.match(/[\]\)\};,]/)) return pass();
    if (type == "if-style") return cont(expression, expression);
    if (type == "else-style" || type == "op") return cont(expression);
    if (type == "for") return cont(pattern, maybetype, inop, expression, expression);
    if (type == "alt") return cont(expression, altbody);
    if (type == "fn") return cont(fndef);
    if (type == "macro") return cont(macro);
    return cont();
  }
  function maybeop(type) {
    if (content == ".") return cont(maybeprop);
    if (content == "::<"){return cont(typarams, maybeop);}