54 lines
1.4 KiB
Rust
54 lines
1.4 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test that we can't call random fns in a const fn or do other bad things.
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#![feature(const_fn)]
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use std::mem::transmute;
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fn random() -> u32 { 0 }
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const fn sub(x: &u32) -> usize {
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unsafe { transmute(x) } //~ ERROR E0015
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}
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const fn sub1() -> u32 {
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random() //~ ERROR E0015
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}
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static Y: u32 = 0;
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const fn get_Y() -> u32 {
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Y
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//~^ ERROR E0013
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//~| ERROR cannot refer to statics by value
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}
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const fn get_Y_addr() -> &'static u32 {
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&Y
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//~^ ERROR E0013
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}
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const fn get() -> u32 {
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let x = 22;
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//~^ ERROR let bindings in constant functions are unstable
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//~| ERROR statements in constant functions are unstable
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let y = 44;
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//~^ ERROR let bindings in constant functions are unstable
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//~| ERROR statements in constant functions are unstable
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x + y
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//~^ ERROR let bindings in constant functions are unstable
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//~| ERROR let bindings in constant functions are unstable
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}
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fn main() {
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}
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