eholk

macro_rules! foo (
    // 24 in a row!
    (!@#~=|%^&:/+*(){,}[;].$_x:ident) => { 5 }
)

    fn main() {}

eholk

impl to_str<T> for T {
    fn to_str() -> str { "a" }
}

fn foo<T>(_f:fn()) -> T { fail }

fn main() {
    log(error,
        // 16 in a row
        [do foo::<~@&*()>{;}]/_.

implement `env!`

diff --git a/src/libsyntax/ext/base.rs b/src/libsyntax/ext/base.rs
index 6c93dbc..c2b9e33 100644
--- a/src/libsyntax/ext/base.rs
+++ b/src/libsyntax/ext/base.rs
@@ -30,11 +30,14 @@ enum syntax_extension {
 fn syntax_expander_table() -> hashmap<str, syntax_extension> {
     fn builtin(f: syntax_expander_) -> syntax_extension
         {normal({expander: f, span: none})}
+    fn builtin_tt(f: syntax_expander_tt_) -> syntax_extension
+        {normal_tt({expander: f, span: none})}