() => ( 1, 2 ) //~ ERROR macro expansion ignores token `,`
}
+macro_rules! ignored_pat {
+ () => ( 1, 2 ) //~ ERROR macro expansion ignores token `,`
+}
+
ignored_item!()
fn main() {
ignored_expr!()
+ match 1 {
+ ignored_pat!() => (),
+ _ => (),
+ }
}
--- /dev/null
+// Copyright 2014 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)]
+
+macro_rules! foo ( () => ( x ) )
+
+fn main() {
+ let foo!() = 2;
+ x + 1; //~ ERROR unresolved name `x`
+}
--- /dev/null
+// Copyright 2012-2014 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)]
+
+macro_rules! mypat(
+ () => (
+ Some('y')
+ )
+)
+
+macro_rules! char_x(
+ () => (
+ 'x'
+ )
+)
+
+macro_rules! some(
+ ($x:pat) => (
+ Some($x)
+ )
+)
+
+macro_rules! indirect(
+ () => (
+ some!(char_x!())
+ )
+)
+
+macro_rules! ident_pat(
+ ($x:ident) => (
+ $x
+ )
+)
+
+fn f(c: Option<char>) -> uint {
+ match c {
+ Some('x') => 1,
+ mypat!() => 2,
+ _ => 3,
+ }
+}
+
+pub fn main() {
+ assert_eq!(1, f(Some('x')));
+ assert_eq!(2, f(Some('y')));
+ assert_eq!(3, f(None));
+
+ assert_eq!(1, match Some('x') {
+ Some(char_x!()) => 1,
+ _ => 2,
+ });
+
+ assert_eq!(1, match Some('x') {
+ some!(char_x!()) => 1,
+ _ => 2,
+ });
+
+ assert_eq!(1, match Some('x') {
+ indirect!() => 1,
+ _ => 2,
+ });
+
+ assert_eq!(3, {
+ let ident_pat!(x) = 2;
+ x+1
+ });
+}