1 files changed, 1 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index ff00605..3470e6e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,4 @@
+#![feature(extract_if)]
 #![feature(io_error_more)]
 #![feature(map_try_insert)]