Updated to remove core feature.

src/array.rs

@@ -178,7 +178,6 @@ extern {
 #[test]
 fn should_box_and_unbox() {
     use number::{CFNumber, number};
-    use std::num::ToPrimitive;
 
     let arr = CFArray::from_CFTypes(&[
         number(1).as_CFType(),
@@ -189,18 +188,18 @@ fn should_box_and_unbox() {
     ]);
 
     unsafe {
-        let mut sum = 0i32;
+        let mut sum = 0;
 
         for elem in arr.iter() {
             let number: CFNumber = TCFType::wrap_under_get_rule(mem::transmute(elem));
-            sum += number.to_i32().unwrap()
+            sum += number.to_i64().unwrap()
         }
 
         assert!(sum == 15);
 
         for elem in arr.iter() {
             let number: CFNumber = TCFType::wrap_under_get_rule(mem::transmute(elem));
-            sum += number.to_i32().unwrap()
+            sum += number.to_i64().unwrap()
         }
 
         assert!(sum == 30);

src/base.rs

@@ -8,7 +8,6 @@
 // except according to those terms.
 
 use libc::{c_long, c_ulong, c_uint};
-use std::num::Int;
 
 pub type Boolean = u8;
 
@@ -26,7 +25,7 @@ pub trait CFIndexConvertible {
 impl CFIndexConvertible for usize {
     #[inline]
     fn to_CFIndex(self) -> CFIndex {
-        let max_CFIndex: CFIndex = Int::max_value();
+        let max_CFIndex = CFIndex::max_value();
         if self > (max_CFIndex as usize) {
             panic!("value out of range")
         }

src/lib.rs

@@ -12,8 +12,6 @@
 
 #![allow(non_snake_case)]
 
-#![feature(core)]
-
 extern crate libc;
 
 #[cfg(target_os="macos")]

src/number.rs

@@ -16,7 +16,6 @@ use base::{TCFType, kCFAllocatorDefault};
 
 use libc::c_void;
 use std::mem;
-use std::num::{FromPrimitive, ToPrimitive};
 
 pub type CFNumberType = u32;
 
@@ -93,66 +92,49 @@ impl TCFType<CFNumberRef> for CFNumber {
 }
 
 // TODO(pcwalton): Floating point.
-impl ToPrimitive for CFNumber {
+impl CFNumber {
     #[inline]
-    fn to_i64(&self) -> Option<i64> {
+    pub fn to_i64(&self) -> Option<i64> {
         unsafe {
             let mut value: i64 = 0;
             let ok = CFNumberGetValue(self.obj, kCFNumberSInt64Type, mem::transmute(&mut value));
-            assert!(ok);
-            Some(value)
+            if ok { Some(value) } else { None }
         }
     }
 
     #[inline]
-    fn to_u64(&self) -> Option<u64> {
-        // CFNumber does not support unsigned 64-bit values.
-        None
-    }
-
-    #[inline]
-    fn to_f64(&self) -> Option<f64> {
+    pub fn to_f64(&self) -> Option<f64> {
         unsafe {
             let mut value: f64 = 0.0;
             let ok = CFNumberGetValue(self.obj, kCFNumberFloat64Type, mem::transmute(&mut value));
-            assert!(ok);
-            Some(value)
+            if ok { Some(value) } else { None }
         }
     }
-}
 
-// TODO(pcwalton): Floating point.
-impl FromPrimitive for CFNumber {
     #[inline]
-    fn from_i64(value: i64) -> Option<CFNumber> {
+    pub fn from_i64(value: i64) -> CFNumber {
         unsafe {
             let number_ref = CFNumberCreate(kCFAllocatorDefault,
                                             kCFNumberSInt64Type,
                                             mem::transmute(&value));
-            Some(TCFType::wrap_under_create_rule(number_ref))
+            TCFType::wrap_under_create_rule(number_ref)
         }
     }
 
     #[inline]
-    fn from_u64(_: u64) -> Option<CFNumber> {
-        // CFNumber does not support unsigned 64-bit values.
-        None
-    }
-
-    #[inline]
-    fn from_f64(value: f64) -> Option<CFNumber> {
+    pub fn from_f64(value: f64) -> CFNumber {
         unsafe {
             let number_ref = CFNumberCreate(kCFAllocatorDefault,
                                             kCFNumberFloat64Type,
                                             mem::transmute(&value));
-            Some(TCFType::wrap_under_create_rule(number_ref))
+            TCFType::wrap_under_create_rule(number_ref)
         }
     }
 }
 
 /// A convenience function to create CFNumbers.
 pub fn number(value: i64) -> CFNumber {
-    FromPrimitive::from_i64(value).unwrap()
+    CFNumber::from_i64(value)
 }
 
 #[link(name = "CoreFoundation", kind = "framework")]

src/string.rs

@@ -475,5 +475,5 @@ fn string_and_back() {
     let original = "The quick brown fox jumped over the slow lazy dog.";
     let cfstr = CFString::from_static_string(original);
     let converted = cfstr.to_string();
-    assert!(original == converted.as_slice());
+    assert!(converted == original);
 }

src/url.rs

@@ -240,5 +240,5 @@ fn file_url_from_path() {
     let path = "/usr/local/foo/";
     let cfstr_path = CFString::from_static_string(path);
     let cfurl = CFURL::from_file_system_path(cfstr_path, kCFURLPOSIXPathStyle, true);
-    assert!("file:///usr/local/foo/" == cfurl.get_string().to_string().as_slice());
+    assert!(cfurl.get_string().to_string() == "file:///usr/local/foo/");
 }