rename none to null

examples/build/raylib/source/main.bro

@@ -40,7 +40,7 @@ Ball :: struct {
 }
 
 # A frame's worth of player intent, as a tagged union. Each arm carries exactly
-# the data that action needs (or `void` when it needs none).
+# the data that action needs (or `void` when it needs null).
 Command :: union(enum) {
     spawn rl.Vector2                         # spawn a shape at this point
     push struct { dx f32, dy f32 }          # blow every shape this way
@@ -213,7 +213,7 @@ main func() i32 {
         sel :: for 0..(count) |i| hover: {
             c rl.Vector2 = rl.Vector2{ x = balls[i].x, y = balls[i].y }
             if rl.CheckCollisionPointCircle(mouse, c, balls[i].radius) yield :hover i
-            yield none
+            yield null
         }
 
         # --- draw -----------------------------------------------------------