rust/src/libstd/ops.rs

108 lines
2.0 KiB
Rust

// 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.
//! Traits for the built-in operators
#[allow(missing_doc)];
#[lang="drop"]
pub trait Drop {
fn drop(&self);
}
#[lang="add"]
pub trait Add<RHS,Result> {
fn add(&self, rhs: &RHS) -> Result;
}
#[lang="sub"]
pub trait Sub<RHS,Result> {
fn sub(&self, rhs: &RHS) -> Result;
}
#[lang="mul"]
pub trait Mul<RHS,Result> {
fn mul(&self, rhs: &RHS) -> Result;
}
#[lang="div"]
pub trait Div<RHS,Result> {
fn div(&self, rhs: &RHS) -> Result;
}
#[lang="rem"]
pub trait Rem<RHS,Result> {
fn rem(&self, rhs: &RHS) -> Result;
}
#[lang="neg"]
pub trait Neg<Result> {
fn neg(&self) -> Result;
}
#[lang="not"]
pub trait Not<Result> {
fn not(&self) -> Result;
}
#[lang="bitand"]
pub trait BitAnd<RHS,Result> {
fn bitand(&self, rhs: &RHS) -> Result;
}
#[lang="bitor"]
pub trait BitOr<RHS,Result> {
fn bitor(&self, rhs: &RHS) -> Result;
}
#[lang="bitxor"]
pub trait BitXor<RHS,Result> {
fn bitxor(&self, rhs: &RHS) -> Result;
}
#[lang="shl"]
pub trait Shl<RHS,Result> {
fn shl(&self, rhs: &RHS) -> Result;
}
#[lang="shr"]
pub trait Shr<RHS,Result> {
fn shr(&self, rhs: &RHS) -> Result;
}
#[lang="index"]
pub trait Index<Index,Result> {
fn index(&self, index: &Index) -> Result;
}
#[cfg(test)]
mod bench {
use extra::test::BenchHarness;
use ops::Drop;
// Overhead of dtors
struct HasDtor {
x: int
}
impl Drop for HasDtor {
fn drop(&self) {
}
}
#[bench]
fn alloc_obj_with_dtor(bh: &mut BenchHarness) {
do bh.iter {
HasDtor { x : 10 };
}
}
}