diff options
Diffstat (limited to 'src/libsyntax/ext/log_syntax.rs')
| -rw-r--r-- | src/libsyntax/ext/log_syntax.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libsyntax/ext/log_syntax.rs b/src/libsyntax/ext/log_syntax.rs index 1ce08b8303e..c9e444a9b8c 100644 --- a/src/libsyntax/ext/log_syntax.rs +++ b/src/libsyntax/ext/log_syntax.rs @@ -13,6 +13,8 @@ use codemap; use ext::base; use print; +use std::rc::Rc; + pub fn expand_syntax_ext(cx: &mut base::ExtCtxt, sp: codemap::Span, tt: &[ast::TokenTree]) @@ -20,7 +22,7 @@ pub fn expand_syntax_ext(cx: &mut base::ExtCtxt, cx.print_backtrace(); println!("{}", print::pprust::tt_to_str(&ast::TTDelim( - @tt.iter().map(|x| (*x).clone()).collect()))); + Rc::new(tt.iter().map(|x| (*x).clone()).collect())))); // any so that `log_syntax` can be invoked as an expression and item. base::MacResult::dummy_any(sp) |