Dart: Callable class
"Hello World, I'm Vinit Mepani, a coding virtuoso driven by passion, fueled by curiosity, and always poised to conquer challenges. Picture me as a digital explorer, navigating through the vast realms of code, forever in pursuit of innovation.
In the enchanting kingdom of algorithms and syntax, I wield my keyboard as a magical wand, casting spells of logic and crafting solutions to digital enigmas. With each line of code, I embark on an odyssey of learning, embracing the ever-evolving landscape of technology.
Eager to decode the secrets of the programming universe, I see challenges not as obstacles but as thrilling quests, opportunities to push boundaries and uncover new dimensions in the realm of possibilities.
In this symphony of zeros and ones, I am Vinit Mepani, a coder by passion, an adventurer in the digital wilderness, and a seeker of knowledge in the enchanting world of code. Join me on this quest, and let's create digital wonders together!"
In Dart, a callable class is a class that has a call method defined in it. A call method is a special method that allows you to invoke an instance of the class like a function. Callable classes are useful for creating classes that behave like functions and can be used to perform a wide range of tasks.
To allow an instance of your Dart class to be called like a function, implement the call () method.
The call () method allows an instance of any class that defines it to emulate a function. This method supports the same functionality as normal functions such as parameters and return types.
// Creating Class
class callAble {
// Defining call method which create the class callable
String call(String a, String b, String c) => 'Welcome to $a$b$c!';
}
// Main Function
void main() {
// Creating instance of class
var callInput = callAble();
// Calling the class through its instance
var callOutput = callInput('Hello ','Vinit ', 'Mepani ');
// Printing the output
print(callOutput);
}
