// 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 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. //! An interface for numeric types pub trait Num { // FIXME: Trait composition. (#2616) pure fn add(&self, other: &self) -> self; pure fn sub(&self, other: &self) -> self; pure fn mul(&self, other: &self) -> self; pure fn div(&self, other: &self) -> self; pure fn modulo(&self, other: &self) -> self; pure fn neg(&self) -> self; pure fn to_int(&self) -> int; static pure fn from_int(n: int) -> self; }