font/shaper: hook functions can't fail

src/font/shaper/coretext.zig

@@ -98,7 +98,7 @@ pub const Shaper = struct {
             self.unichars.deinit(alloc);
         }
 
-        fn reset(self: *RunState) !void {
+        fn reset(self: *RunState) void {
             self.codepoints.clearRetainingCapacity();
             self.unichars.clearRetainingCapacity();
         }
@@ -644,8 +644,8 @@ pub const Shaper = struct {
     pub const RunIteratorHook = struct {
         shaper: *Shaper,
 
-        pub fn prepare(self: *RunIteratorHook) !void {
-            try self.shaper.run_state.reset();
+        pub fn prepare(self: *RunIteratorHook) void {
+            self.shaper.run_state.reset();
             // log.warn("----------- run reset -------------", .{});
         }
 
@@ -681,7 +681,7 @@ pub const Shaper = struct {
             });
         }
 
-        pub fn finalize(self: RunIteratorHook) !void {
+        pub fn finalize(self: RunIteratorHook) void {
             _ = self;
         }
     };

src/font/shaper/harfbuzz.zig

@@ -175,7 +175,7 @@ pub const Shaper = struct {
     pub const RunIteratorHook = struct {
         shaper: *Shaper,
 
-        pub fn prepare(self: RunIteratorHook) !void {
+        pub fn prepare(self: RunIteratorHook) void {
             // Reset the buffer for our current run
             self.shaper.hb_buf.reset();
             self.shaper.hb_buf.setContentType(.unicode);
@@ -191,7 +191,7 @@ pub const Shaper = struct {
             self.shaper.hb_buf.add(cp, cluster);
         }
 
-        pub fn finalize(self: RunIteratorHook) !void {
+        pub fn finalize(self: RunIteratorHook) void {
             self.shaper.hb_buf.guessSegmentProperties();
         }
     };

src/font/shaper/run.zig

@@ -73,7 +73,7 @@ pub const RunIterator = struct {
         var current_font: font.Collection.Index = .{};
 
         // Allow the hook to prepare
-        try self.hooks.prepare();
+        self.hooks.prepare();
 
         // Initialize our hash for this run.
         var hasher = Hasher.init(0);
@@ -283,7 +283,7 @@ pub const RunIterator = struct {
         }
 
         // Finalize our buffer
-        try self.hooks.finalize();
+        self.hooks.finalize();
 
         // Add our length to the hash as an additional mechanism to avoid collisions
         autoHash(&hasher, j - self.i);