clearFxWriter method
Implementation
void clearFxWriter(Object writer) {
var before = fx.length;
fx.removeWhere((k, _) => identical(k.$1, writer));
if (fx.length != before) _doc?.fxTick();
}
void clearFxWriter(Object writer) {
var before = fx.length;
fx.removeWhere((k, _) => identical(k.$1, writer));
if (fx.length != before) _doc?.fxTick();
}