35 lines
986 B
Rust
35 lines
986 B
Rust
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// 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 use of const fn from another crate without a feature gate.
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// aux-build:const_fn_lib.rs
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extern crate const_fn_lib;
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use const_fn_lib::foo;
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static FOO: usize = foo(); //~ ERROR const fns are an unstable feature
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const BAR: usize = foo(); //~ ERROR const fns are an unstable feature
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macro_rules! constant {
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($n:ident: $t:ty = $v:expr) => {
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const $n: $t = $v;
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}
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}
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constant! {
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BAZ: usize = foo() //~ ERROR const fns are an unstable feature
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}
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fn main() {
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// let x: [usize; foo()] = [];
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}
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