implement Clone for Box<str>, closes #27323

[rust.git] / src / liballoc / lib.rs

diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 03cf4fc9fc1bdf6ef481a0f4e737cbce553c0265..0e9b01e5c233e93218773edff6a6af61d6cfcff2 100644 (file)
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -92,6 +92,7 @@
 #![feature(unsafe_no_drop_flag, filling_drop)]
 #![feature(unsize)]
 #![feature(core_slice_ext)]
+#![feature(core_str_ext)]
 
 #![cfg_attr(test, feature(test, alloc, rustc_private, box_raw))]
 #![cfg_attr(all(not(feature = "external_funcs"), not(feature = "external_crate")),