Have Entity.set return itself

src/entity.zig

@@ -104,9 +104,10 @@ pub fn Entity(comptime ctx: anytype) type {
             return @alignCast(@ptrCast(c.ecs_get_id(self.world.raw, self.raw, id)));
         }
 
-        pub fn set(self: Self, comptime T: type, value: T) void {
+        pub fn set(self: Self, comptime T: type, value: T) Self {
             const id = Lookup(ctx, T).id;
             _ = c.ecs_set_id(self.world.raw, self.raw, id, @sizeOf(T), &value);
+            return self;
         }
     };
 }

test/world.zig

@@ -45,8 +45,8 @@ test "World_progress_w_0" {
     var ctx = util.Probe.init();
     c.ecs_set_context(world.raw, &ctx);
 
-    e1.set(Position, .{ .x = 0, .y = 0 });
+    _ = e1.set(Position, .{ .x = 0, .y = 0 });
-    e1.set(Velocity, .{ .x = 1, .y = 2 });
+    _ = e1.set(Velocity, .{ .x = 1, .y = 2 });
 
     _ = world.progress(0);