What is spread operator in flutter?

Update – 20th April 2019. You can now use the spread operator since Dart 2.3 was released .15 Şub 2019

The spread operator is a useful and quick syntax for adding items to arrays, combining arrays .25 May 2021

spread operator in Dart and how to use it. Since version 2.3, Dart adds a new operator called spread which uses three dots ( … ) notations. It can be used to extend the elements of a Collection . The examples below show the usage of the notation on List , Set , and Map .