// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Test that const fn is illegal in a trait declaration, whether or // not a default is provided. #![feature(const_fn)] trait Foo { const fn f() -> u32; //~ ERROR trait fns cannot be declared const const fn g() -> u32 { 0 } //~ ERROR trait fns cannot be declared const } fn main() { }