What is Cascade in Dart?

The cascade notation (. .) in Dart allows you to make a sequence of operations on the same object (including function calls and field access). This notation helps keep Dart code compact and removes the need to create temporary variables to store data.

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What means operator in flutter?

An operator is a special symbol that is used to carry out some specific operation on its operand . In Dart, we have a rich set of built-in operators to carry out the different types of operations. There are operators for assignment, arithmetic operations, logical operations, and comparison operations, etc.

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What two dots mean?

Two dots is an informal and cute way of implying there is something else to say , except philosophically you don’t need to say it at that moment, so it’s more of a short-cut, and yes two dots is quicker that three since the latter means something else, formally any-way.

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