Try to be smarter about when bouncing initialization.

src/tink/macro/Constructor.hx

@@ -98,10 +98,36 @@ class Constructor {
     var tmp = MacroApi.tempName();
     var member = owner.memberByName(name).sure();
 
+    var metaBypass = false;
+    var bypass = switch options.bypass {
+      case null:
+        switch member.kind {
+          case FProp(_, 'default' | 'null', _):
+            false;
+          #if haxe4
+          case FProp('default', 'never', _):
+            member.isFinal = true;
+          case FProp(_, 'set', _):
+            member.addMeta(':isVar');
+            metaBypass = true;
+          #end
+          case FProp(_):
+            true;
+          case FFun(_):
+            pos.error('cannot rebind function');
+          default: false;
+        }
+      case v: v;
+    }
+
     if (options.bypass && member.kind.match(FProp(_, 'never' | 'set', _, _))) {
 
       member.addMeta(':isVar');
-
+      switch member.kind {
+        case FProp(get, set, _):
+          member.pos.warning('$get,$set');
+        default:
+      }
       addStatement((function () {
         var fields = [for (f in  (macro this).typeof().sure().getClass().fields.get()) f.name => f];
 
@@ -141,7 +167,13 @@ class Constructor {
       }).bounce(), options.prepend);
     }
     else
-      addStatement(macro @:pos(pos) this.$name = $e, options.prepend);
+      addStatement(
+        if (metaBypass)
+          macro @:pos(pos) @:bypassAccessor this.$name = $e
+        else
+          macro @:pos(pos) this.$name = $e,
+        options.prepend
+      );
   }
   public inline function publish()
     if (isPublic == null)