Note: You may have heard of the part directive, which allows you to split a library into multiple Dart files . We recommend that you avoid using part and create mini libraries instead.
Read moreWhat is part of Flutter?
part and part of are to split a library into multiple files, not a class . Private (identifiers starting with _ ) in Dart is per library which is usually a *.
Read moreWhat is Dart part?
Darts consist of four parts, the barrel, flight, shaft and tip , and they can be exchanged depending on your preferences and play style.
Read moreWhat is Cascade operator in Dart?
Cascade notation is syntactic sugar in Dart that allows you to make a sequence of operations on the same object . You can use the “double dot” to call functions on objects and access properties. This “operator” is simply used to make your code cleaner and concise.
Read moreWhat is double dot in flutter?
Double dots(..) It allows you to not repeat the same target if you want to call several methods on the same object . This often saves you the step of creating a temporary variable and allows you to write more fluid code.
Read moreWhat is Dart VAR?
In Dart, The var keyword is used to declare a variable . The Dart compiler automatically knows the type of data based on the assigned to the variable because Dart is an infer type language.
Read moreWhat is Dart null safety?
The Dart language now supports sound null safety! When you opt into null safety, types in your code are non-nullable by default, meaning that variables can’t contain null unless you say they can . With null safety, your runtime null-dereference errors turn into edit-time analysis errors.
Read more