It is a declarative programming paradigm, which means programming is done with expressions. In functional code, the output value of a function depends only on the arguments that are input to the function, so calling a function f twice with the same value for an argument x will produce the same result f(x) each time.
The definition of a steward is an employee who is charge of the management of a very big house or a person who is responsible for the food and drink staff at a restaurant.The definition of a steward is an employee who distributes food and drinks. 1  An example of steward is the head butler in a mansion.
The sphere or responsibility of a steward (as in a manager or administrator), stewardship is often used to mean the care, handling and management of resources.. Your school requires stewardship to make sure its supplies arenât stretched. Your clean water may be thanks to the stewardship of an environmental office.