1 // Copyright 2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // aux-build:attr-stmt-expr.rs
14 #![feature(proc_macro_hygiene)]
16 extern crate attr_stmt_expr;
17 use attr_stmt_expr::{expect_let, expect_print_stmt, expect_expr, expect_print_expr};
19 fn print_str(string: &'static str) {
20 // macros are handled a bit differently
22 //~^ ERROR attributes on expressions are experimental
23 //~| HELP add #![feature(stmt_expr_attributes)] to the crate attributes to enable
24 println!("{}", string)
29 let string = "Hello, world!";
32 println!("{}", string);
35 //~^ ERROR attributes on expressions are experimental
36 //~| HELP add #![feature(stmt_expr_attributes)] to the crate attributes to enable