The assert keyword is used when debugging code . The assert keyword lets you test if a condition in your code returns True, if not, the program will raise an AssertionError. You can write a message to be written if the code returns False, check the example below.
Read moreWhat is assert for?
The assert keyword is used when debugging code . The assert keyword lets you test if a condition in your code returns True, if not, the program will raise an AssertionError. You can write a message to be written if the code returns False, check the example below.
Read moreWhen should I use assert?
You can use an assert to check if your logical assumption is correct . You can also use assert statements to check if the control flow is correct or not. For example, if you have a function that returns a value, you may want to put an assert statement. However, you may get a ‘non-reachable’ code error.
Read moreWhat does Extends do in flutter?
You can inherit from or extend a class using the extends keyword. This allows you share properties and methods between classes that are similar, but not exactly the same . Also, it allows different subtypes to share a common runtime type so that static analysis doesn’t fail.
Read moreWhat is the difference between extends and with in Dart?
You use extend if you want to create a more specific version of a class . For example the class car could extend the class vehicle. In Dart a class can only extend one class.
Read moreWhat is the difference between named and positional parameters?
A positional parameter is linked by its position. Positional parameters must be specified in the order in which they appear. Named parameters are specified by assigning values to their names . named parameters can be assigned initial values by using their names.
Read moreWhat is the difference between named and positional parameters?
A positional parameter is linked by its position. Positional parameters must be specified in the order in which they appear. Named parameters are specified by assigning values to their names . named parameters can be assigned initial values by using their names.
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