#![feature(iter_arith)]
#![feature(pattern)]
#![feature(rand)]
-#![feature(rustc_private)]
#![feature(set_recovery)]
-#![feature(slice_bytes)]
#![feature(step_by)]
#![feature(str_char)]
#![feature(str_escape)]
#![feature(unboxed_closures)]
#![feature(unicode)]
-#[macro_use] extern crate log;
-
extern crate collections;
extern crate test;
extern crate rustc_unicode;