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1 // Copyright 2015 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 // `/**/` was previously regarded as a doc comment because it starts with `/**` and ends with `*/`.
12 // This could break some internal logic that assumes the length of a doc comment is at least 5,
15 macro_rules
! one_arg_macro
{
16 ($fmt
:expr
) => (print
!(concat
!($fmt
, "\n")));
20 one_arg_macro
!(/**/); //~ ERROR unexpected end