42 lines
601 B
Rust
42 lines
601 B
Rust
#![allow(unused_variables)]
|
|
#![deny(dead_code)]
|
|
#![feature(main, start)]
|
|
|
|
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(_: isize, _: *const *const u8) -> isize {
|
|
used_fn();
|
|
let foo = Foo;
|
|
foo.bar2();
|
|
0
|
|
}
|
|
|
|
// this is not main
|
|
fn main() { //~ ERROR: function is never used
|
|
dead_fn();
|
|
dead_fn2();
|
|
}
|