rust/src/test/run-pass/match-in-macro.rs
Patrick Walton 654d6444fe libsyntax: Disallow struct literals after if, while, match, and
`for...in`.

Closes #14803.

If you used a structure literal after one of these keywords, surround it
in parentheses.

[breaking-change]
2014-06-23 15:39:29 -07:00

28 lines
768 B
Rust

// Copyright 2012 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(macro_rules, struct_variant)]
enum Foo {
B { b1: int, bb1: int},
}
macro_rules! match_inside_expansion(
() => (
match (B { b1:29 , bb1: 100}) {
B { b1:b2 , bb1:bb2 } => b2+bb2
}
)
)
pub fn main() {
assert_eq!(match_inside_expansion!(),129);
}