copyWith method

TextEditingValue copyWith ({String text, TextSelection selection, TextRange composing })

Creates a copy of this value but with the given fields replaced with the new values.

Implementation 

TextEditingValue copyWith({
  String text,
  TextSelection selection,
  TextRange composing
}) {
  return TextEditingValue(
    text: text ?? this.text,
    selection: selection ?? this.selection,
    composing: composing ?? this.composing
  );
}