Functions as First Class Objects in Dart

Functions as First Class Objects in Dart

The purpose of this lesson is to simplify and refactor the code for a reusable card. This includes adding a gesture detector to the reusable card to detect touch when the user taps on it, as well as setting the gender for other reusable cards. The process also involves creating a dark, which passes around functions as if they were just any other object, and then refactoring everything to the right spelling in the designated function. For example, a function called add is added, which adds two numbers and multiplies the two numbers given. This calculator is a tool that allows users to perform calculations without having to call a different function.

It takes two numbers (n1 and int) and can also take a function as an argument. The output of the calculator is the result of the calculation performed on two numbers, five and eight, respectively. The third input is a function, which is expected to be performed as an input, so the calculator performs some sort of function on 5 and 8 and then adds them together. The parameter can be switched out for multiply, and the functions are being passed around. This text explains how functions can be created as the value of a variable and how they can be used to create new variables.

The author suggests that instead of saying "int calculator" or "fun" in a way that is of type function, a function can be stored inside a variable called calculator. He also explains how the current state of the game allows for the creation of a new class, a car, which has a property that is a function and is called drive. This property is initialized when the car is constructed. The car constructor is created using a drive method to associate it with the car object, which is called a "slow drive" and is printed out in two modes of driving.


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