// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use cmp::{Eq, Ord}; use num::Num::from_int; pub trait NumExt: Eq Num {} pub impl f32: NumExt {} pub impl int: NumExt {} fn num_eq_one() -> T { from_int(1) } fn main() { num_eq_one::(); // you need to actually use the function to trigger the ICE }