rust/src/test/compile-fail/lint-dead-code-2.rs
2014-03-28 17:12:21 -07:00

51 lines
1014 B
Rust

// Copyright 2013 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.
#![allow(unused_variable)]
#![deny(dead_code)]
struct Foo;
trait Bar {
fn bar1(&self);
fn bar2(&self) {
self.bar1();
}
}
impl Bar for Foo {
fn bar1(&self) {
live_fn();
}
}
fn live_fn() {}
fn dead_fn() {} //~ ERROR: code is never used
#[main]
fn dead_fn2() {} //~ ERROR: code is never used
fn used_fn() {}
#[start]
fn start(_: int, _: **u8) -> int {
used_fn();
let foo = Foo;
foo.bar2();
0
}
// this is not main
fn main() { //~ ERROR: code is never used
dead_fn();
dead_fn2();
}