51 lines
1.0 KiB
Rust
51 lines
1.0 KiB
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_variables)]
|
|
#![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: function is never used
|
|
|
|
#[main]
|
|
fn dead_fn2() {} //~ ERROR: function is never used
|
|
|
|
fn used_fn() {}
|
|
|
|
#[start]
|
|
fn start(_: int, _: *const *const u8) -> int {
|
|
used_fn();
|
|
let foo = Foo;
|
|
foo.bar2();
|
|
0
|
|
}
|
|
|
|
// this is not main
|
|
fn main() { //~ ERROR: function is never used
|
|
dead_fn();
|
|
dead_fn2();
|
|
}
|