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.
Read moreHow many optional parameters are there in flutter?
You must use the parameter name when calling the function. Dart has two types of optional parameters: named and positional.21 Eyl 2020
Read moreWhat is the colon after constructor Dart?
The part after : is called “initializer list . It is a , -separated list of expressions that can access constructor parameters and can assign to instance fields, even final instance fields. This is handy to initialize final fields with calculated values.10 May 2018
Read moreWhy do some flutters have three dots?
spread operator (…) is used to provide a way to assign values to Collections , more commonly it found inside the column to render its child.
Read moreHow do you do the 3 dots flutter?
How to add 3 dot popup menu in AppBar in Flutter
Read moreWhat is dot dot in Dart?
.. is known as cascade notation . It allows you to not repeat the same target if you want to call several methods on the same object.
Read moreWhat does the operator do in Dart?
The operators are special symbols that are used to carry out certain operations on the operands . The Dart has numerous built-in operators which can be used to carry out different functions, for example, ‘+’ is used to add two operands. Operators are meant to carry operations on one or two operands.8 Mar 2022
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