Don't expose NonZero through libstd.

1 files changed, 1 insertions, 88 deletions

diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index 23eb117680a..8c724b4d852 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -90,8 +90,7 @@
 use mem;
 use clone::Clone;
 use intrinsics;
-use kinds::{Copy, Send, Sync};
-use ops::Deref;
+use kinds::{Send, Sync};
 use option::Option;
 use option::Option::{Some, None};
 
@@ -111,32 +110,6 @@ pub use intrinsics::copy_memory;
 pub use intrinsics::set_memory;
 
 
-/// A wrapper type for raw pointers and integers that will never be
-/// NULL or 0 that might allow certain optimizations.
-#[lang="non_zero"]
-#[deriving(Clone, PartialEq, Eq, PartialOrd)]
-#[experimental]
-pub struct NonZero<T>(T);
-
-impl<T> NonZero<T> {
-    /// Create an instance of NonZero with the provided value.
-    /// You must indeed ensure that the value is actually "non-zero".
-    #[inline(always)]
-    pub unsafe fn new(inner: T) -> NonZero<T> {
-        NonZero(inner)
-    }
-}
-
-impl<T> Deref<T> for NonZero<T> {
-    #[inline]
-    fn deref<'a>(&'a self) -> &'a T {
-        let NonZero(ref inner) = *self;
-        inner
-    }
-}
-
-impl<T: Copy> Copy for NonZero<T> {}
-
 /// Creates a null raw pointer.
 ///
 /// # Examples
@@ -341,32 +314,6 @@ impl<T> RawPtr<T> for *const T {
     }
 }
 
-impl<T> RawPtr<T> for NonZero<*const T> {
-    #[inline]
-    fn null() -> NonZero<*const T> { NonZero(null()) }
-
-    #[inline]
-    fn is_null(&self) -> bool { false }
-
-    #[inline]
-    fn to_uint(&self) -> uint {
-        let NonZero(p) = *self;
-        p as uint
-    }
-
-    #[inline]
-    unsafe fn offset(self, count: int) -> NonZero<*const T> {
-        let NonZero(p) = self;
-        NonZero(intrinsics::offset(p, count))
-    }
-
-    #[inline]
-    unsafe fn as_ref<'a>(&self) -> Option<&'a T> {
-        let NonZero(p) = *self;
-        Some(&*p)
-    }
-}
-
 impl<T> RawPtr<T> for *mut T {
     #[inline]
     fn null() -> *mut T { null_mut() }
@@ -392,32 +339,6 @@ impl<T> RawPtr<T> for *mut T {
     }
 }
 
-impl<T> RawPtr<T> for NonZero<*mut T> {
-    #[inline]
-    fn null() -> NonZero<*mut T> { NonZero(null_mut()) }
-
-    #[inline]
-    fn is_null(&self) -> bool { false }
-
-    #[inline]
-    fn to_uint(&self) -> uint {
-        let NonZero(p) = *self;
-        p as uint
-    }
-
-    #[inline]
-    unsafe fn offset(self, count: int) -> NonZero<*mut T> {
-        let NonZero(p) = self;
-        NonZero(intrinsics::offset(p as *const T, count) as *mut T)
-    }
-
-    #[inline]
-    unsafe fn as_ref<'a>(&self) -> Option<&'a T> {
-        let NonZero(p) = *self;
-        Some(&*p)
-    }
-}
-
 impl<T> RawMutPtr<T> for *mut T {
     #[inline]
     unsafe fn as_mut<'a>(&self) -> Option<&'a mut T> {
@@ -429,14 +350,6 @@ impl<T> RawMutPtr<T> for *mut T {
     }
 }
 
-impl<T> RawMutPtr<T> for NonZero<*mut T> {
-    #[inline]
-    unsafe fn as_mut<'a>(&self) -> Option<&'a mut T> {
-        let NonZero(p) = *self;
-        Some(&mut *p)
-    }
-}
-
 // Equality for pointers
 impl<T> PartialEq for *const T {
     #[inline]