Merge branch 'gav' of https://github.com/gavofyork/ethcore-util

src/common.rs

@@ -34,3 +34,8 @@ macro_rules! xx {
 		From::from(From::from($x))
 	}
 }
+
+pub fn flush(s: String) {
+	::std::io::stdout().write(s.as_bytes()).unwrap();
+	::std::io::stdout().flush().unwrap();
+}