From 6b3205e3e4f4178ff5cbfa812e30ef6c28a1a8fa Mon Sep 17 00:00:00 2001
From: sib <andrew.sibley@gmail.com>
Date: Wed, 25 Jul 2018 14:36:15 -0400
Subject: [PATCH] to_i32 shortcut for CFNumber

---
 core-foundation/src/number.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/core-foundation/src/number.rs b/core-foundation/src/number.rs
index 96ec312..ce8e8f0 100644
--- a/core-foundation/src/number.rs
+++ b/core-foundation/src/number.rs
@@ -25,6 +25,16 @@ impl_CFTypeDescription!(CFNumber);
 impl_CFComparison!(CFNumber, CFNumberCompare);
 
 impl CFNumber {
+
+    #[inline]
+    pub fn to_i32(&self) -> Option<i32> {
+        unsafe {
+            let mut value: i32 = 0;
+            let ok = CFNumberGetValue(self.0, kCFNumberSInt32Type, mem::transmute(&mut value));
+            if ok { Some(value) } else { None }
+        }
+    }
+
     #[inline]
     pub fn to_i64(&self) -> Option<i64> {
         unsafe {