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-rw-r--r--src/libstd/lib.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index ac07af5e278..cc3e613fa3d 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -266,12 +266,15 @@
 #![feature(external_doc)]
 #![feature(fn_traits)]
 #![feature(format_args_nl)]
+#![feature(future_readiness_fns)]
+#![feature(gen_future)]
 #![feature(generator_trait)]
 #![feature(global_asm)]
 #![feature(hash_raw_entry)]
 #![feature(hashmap_internals)]
 #![feature(int_error_internals)]
 #![feature(int_error_matching)]
+#![feature(into_future)]
 #![feature(integer_atomics)]
 #![feature(lang_items)]
 #![feature(libc)]