Merge pull request #63 from yvt/fix-nightly

Fix `unstable_const` for the latest compiler

Author: Gilnaa

README.md

@@ -61,5 +61,5 @@ features = ["unstable_const"]
 
 Your crate root: (`lib.rs`/`main.rs`)
 ```rust,ignore
-#![feature(const_ptr_offset_from, const_maybe_uninit_as_ptr, const_raw_ptr_deref, const_refs_to_cell)]
+#![feature(const_ptr_offset_from, const_refs_to_cell)]
 ```

src/lib.rs

@@ -58,12 +58,7 @@
 #![no_std]
 #![cfg_attr(
     feature = "unstable_const",
-    feature(
-        const_ptr_offset_from,
-        const_maybe_uninit_as_ptr,
-        const_raw_ptr_deref,
-        const_refs_to_cell,
-    )
+    feature(const_ptr_offset_from, const_refs_to_cell)
 )]
 
 #[macro_use]