Dart has two types of optional parameters: named and positional.
Read moreHow many optional parameters flutter Dart?
Dart has two types of optional parameters: named and positional.
Read moreWhere the default value of the parameter has to be specified?
Default values are specified in the header of a function (declaration or definition) by adding an equal sign (‘=’) followed by default value at the end of a parameter declaration.
Read moreWhere the default value of the parameter has to be specified?
Default values are specified in the header of a function (declaration or definition) by adding an equal sign (‘=’) followed by default value at the end of a parameter declaration.
Read moreWhy is optional as a parameter bad?
The thing with optional parameters is, they are BAD because they are unintuitive – meaning they do NOT behave the way you would expect it. Here’s why: They break ABI compatibility ! so you can change the default-arguments at one place.
Read moreCan out parameter have default value?
The value of an out argument will not be passed to the out parameter. A variable passed as an out argument need not be initialized. However, the out parameter must be assigned a value before the method returns. Compiler will not allow you to use out parameter as default parameter because it is violating its use case.
Read moreCan out parameter have default value?
The value of an out argument will not be passed to the out parameter. A variable passed as an out argument need not be initialized. However, the out parameter must be assigned a value before the method returns. Compiler will not allow you to use out parameter as default parameter because it is violating its use case.
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