reference: note the existence of UnsafeCell

rust-lang · Oct 28, 2014 · 321de97 · 321de97
1 parent 98bbccf
commit 321de97
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/doc/reference.md b/src/doc/reference.md
@@ -1152,7 +1152,7 @@ exposing an API making it possible for it to occur in safe code.
 
 * Data races
 * Dereferencing a null/dangling raw pointer
-* Mutating an immutable value/reference
+* Mutating an immutable value/reference without `UnsafeCell`
 * Reads of [undef](http://llvm.org/docs/LangRef.html#undefined-values)
   (uninitialized) memory
 * Breaking the [pointer aliasing