---

yaml
---
r: 15305
b: refs/heads/try
c: 3b8097d
h: refs/heads/master
i:
  15303: 180801a
v: v3

Author: brson

[refs]

@@ -2,5 +2,5 @@
 refs/heads/master: 61b1875c16de39c166b0f4d54bba19f9c6777d1a
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 4a81779abd786ff22d71434c6d9a5917ea4cdfff
-refs/heads/try: e325146eb436c4995385d8220ff7ac3a4a5f62ab
+refs/heads/try: 3b8097daccf2d0d4da78f4ca0f98aa2043dea299
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105

branches/try/src/libcore/ptr.rs

@@ -49,7 +49,13 @@ fn mut_offset<T>(ptr: *mut T, count: uint) -> *mut T {
 
 #[doc = "Create an unsafe null pointer"]
 #[inline(always)]
-fn null<T>() -> *T unsafe { ret unsafe::reinterpret_cast(0u); }
+pure fn null<T>() -> *T unsafe { ret unsafe::reinterpret_cast(0u); }
+
+#[doc = "Returns true if the pointer is equal to the null pointer"]
+pure fn is_null<T>(ptr: *const T) -> bool { ptr == null() }
+
+#[doc = "Returns true if the pointer is not equal to the null pointer"]
+pure fn is_not_null<T>(ptr: *const T) -> bool { !is_null(ptr) }
 
 #[doc = "
 Copies data from one location to another