Appease the new borrow checker.

src/servo-gfx/font_list.rs

@@ -96,10 +96,9 @@ impl FontFamily {
     }
 
     fn load_family_variations(@mut self, list: &FontListHandle) {
-        let this : &mut FontFamily = self; // FIXME: borrow checker workaround
-        if this.entries.len() > 0 { return; }
+        if self.entries.len() > 0 { return; }
         list.load_variations_for_family(self);
-        assert!(this.entries.len() > 0);
+        assert!(self.entries.len() > 0);
     }
 
     pub fn find_font_for_style(@mut self, list: &FontListHandle, style: &SpecifiedFontStyle)

src/servo-gfx/platform/macos/font.rs

@@ -16,7 +16,7 @@ use geometry::Au;
 use platform::macos::font_context::FontContextHandle;
 use text::glyph::GlyphIndex;
 
-use core_foundation::base::{CFIndex, CFWrapper};
+use core_foundation::base::CFIndex;
 use core_foundation::data::CFData;
 use core_foundation::string::UniChar;
 use core_graphics::data_provider::CGDataProvider;
@@ -106,7 +106,7 @@ impl FontHandleMethods for FontHandle {
 
     fn boldness(&self) -> CSSFontWeight {
         // -1.0 to 1.0
-        let normalized = unsafe { self.ctfont.all_traits().normalized_weight() };
+        let normalized = self.ctfont.all_traits().normalized_weight();
         // 0.0 to 9.0
         let normalized = (normalized + 1.0) / 2.0 * 9.0;
         if normalized < 1.0 { return FontWeight100; }
@@ -146,13 +146,11 @@ impl FontHandleMethods for FontHandle {
 
     fn glyph_h_advance(&self, glyph: GlyphIndex) -> Option<FractionalPixel> {
         let glyphs = [glyph as CGGlyph];
-        unsafe {
         let advance = self.ctfont.get_advances_for_glyphs(kCTFontDefaultOrientation,
                                                           &glyphs[0],
                                                           ptr::null(),
                                                           1);
-            return Some(advance as FractionalPixel);
-        }
+        Some(advance as FractionalPixel)
     }
 
     fn get_metrics(&self) -> FontMetrics {

src/servo-gfx/platform/macos/font_list.rs

@@ -42,11 +42,9 @@ pub impl FontListHandle {
     }
 
     fn load_variations_for_family(&self, family: @mut FontFamily) {
-        let fam: &mut FontFamily = family; // FIXME: borrow checker workaround
-        let family_name = &fam.family_name;
-        debug!("Looking for faces of family: %s", *family_name);
+        debug!("Looking for faces of family: %s", family.family_name);
 
-        let family_collection = core_text::font_collection::create_for_family(*family_name);
+        let family_collection = core_text::font_collection::create_for_family(family.family_name);
         for family_collection.get_descriptors().each |descref: &CTFontDescriptorRef| {
             let desc = CFWrapper::wrap_shared(*descref);
             let font = core_text::font::new_from_descriptor(&desc, 0.0);

src/servo-net/image_cache_task.rs

@@ -373,18 +373,11 @@ impl ImageCache {
     }
 
     priv fn purge_waiters(&self, url: Url, f: &fn() -> ImageResponseMsg) {
-        match self.wait_map.find(&url) {
+        match self.wait_map.pop(&url) {
             Some(waiters) => {
-            let waiters = *waiters;
-            let mut new_waiters = ~[];
-            new_waiters <-> *waiters;
-
-            for new_waiters.each |response| {
+                for waiters.each |response| {
                     response.send(f());
                 }
-
-            *waiters <-> new_waiters;
-            self.wait_map.remove(&url);
             }
             None => ()
         }
@@ -410,15 +403,13 @@ impl ImageCache {
 
             Prefetching(DoDecode) | Decoding => {
                 // We don't have this image yet
-                match self.wait_map.find(&url) {
-                    Some(waiters) => {
-                        vec::push(*waiters, response);
-                    }
-                    None => {
+                if self.wait_map.contains_key(&url) {
+                    let waiters = self.wait_map.find_mut(&url).unwrap();
+                    waiters.push(response);
+                } else {
                     self.wait_map.insert(url, @mut ~[response]);
                 }
             }
-            }
 
             Decoded(image) => {
                 response.send(ImageReady(clone_arc(image)));

src/servo-net/local_image_cache.rs

@@ -76,13 +76,10 @@ pub impl LocalImageCache {
 
         match state.last_response {
             ImageReady(ref image) => {
-                // FIXME: appease borrowck
-                unsafe {
                 let (port, chan) = comm::stream();
                 chan.send(ImageReady(clone_arc(image)));
                 return port;
             }
-            }
             ImageNotReady => {
                 if last_round == self.round_number {
                     let (port, chan) = comm::stream();
@@ -138,18 +135,14 @@ pub impl LocalImageCache {
     }
 
     priv fn get_state(&self, url: &Url) -> @mut ImageState {
-        match self.state_map.find(url) {
-            Some(state) => *state,
-            None => {
+        *do self.state_map.find_or_insert_with(url.clone()) |_| {
             let new_state = @mut ImageState {
                 prefetched: false,
                 decoded: false,
                 last_request_round: 0,
                 last_response: ImageNotReady
             };
-                self.state_map.insert(copy *url, new_state);
-                self.get_state(url)
-            }
+            new_state
         }
     }
 }