/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #![feature(plugin)] #![plugin(plugins)] extern crate js; use js::jsval::JSVal; use std::cell::Cell; struct Foo { bar: Cell //~^ ERROR Banned type Cell detected. Use MutHeap instead, } fn main() {}