48 lines
1.1 KiB
Rust
48 lines
1.1 KiB
Rust
// Copyright 2015 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.
|
|
|
|
// Test that we can't call random fns in a const fn or do other bad things.
|
|
|
|
#![feature(const_fn)]
|
|
|
|
use std::mem::transmute;
|
|
|
|
fn random() -> u32 { 0 }
|
|
|
|
const fn sub(x: &u32) -> usize {
|
|
unsafe { transmute(x) } //~ ERROR E0015
|
|
}
|
|
|
|
const fn sub1() -> u32 {
|
|
random() //~ ERROR E0015
|
|
}
|
|
|
|
static Y: u32 = 0;
|
|
|
|
const fn get_Y() -> u32 {
|
|
Y
|
|
//~^ ERROR E0013
|
|
//~| ERROR cannot refer to statics by value
|
|
}
|
|
|
|
const fn get_Y_addr() -> &'static u32 {
|
|
&Y
|
|
//~^ ERROR E0013
|
|
}
|
|
|
|
const fn get() -> u32 {
|
|
let x = 22; //~ ERROR E0016
|
|
let y = 44; //~ ERROR E0016
|
|
x + y
|
|
}
|
|
|
|
fn main() {
|
|
}
|