FUNCTION IN DART

Here are the basics:

• [ ] Meaning of Function
• [ ] The basic concept of Function
• [ ] Dart syntax for function
• [ ] Example of function (Add)
• [ ] More examples of Function
• [ ] Where to apply Function

Meaning of Function

A function is an essential concept in programming. It is a block of code that can be called and executed several times during a program's runtime. In this essay, we will explore the meaning of function in programming, its basic concepts, Dart syntax for functions, and examples of functions.

The Basic Concept of Function

Functions are essential in programming because they help break down complex tasks into smaller, manageable pieces. The basic idea of a function is to take input, process it, and return an output. Functions can have parameters, which are inputs the function accepts when called. These parameters can be used inside the function to perform calculations or manipulate data. Functions can also have a return type, the type of data the function will return when it is executed.

Dart Syntax for Function

In Dart programming language, functions are defined using the 'function' keyword. The basic syntax of a function is as follows:

return_type function_name(parameter1, parameter2, ...) {
   // function body
   return result;
}

The return type specifies the type of data that the function will return. The function name is used to call the function from other parts of the program. The parameters are inputs that the function accepts, and they can be used inside the function to perform calculations or manipulate data. The function body contains the code that will be executed when the function is called. Finally, the 'return' statement is used to return the result of the function to the caller.

Example of Function (Add)