Categoria: Functional Programming

First Class Function and Higher Order Function One of the key factors in Scala that beautifully blends functional paradigm into object-oriented paradigm is that functions are objects. In functional programming, functions are first-class citizens. A first-class function is a function that can be – Assigned to variables, – Passed as an argument to the other […]

Expression-Oriented Programming In expression-oriented programming every statement is an expression. To understand EOP, you have to understand the difference between a statement and an expression. A statement executes code, but does not return any value, for example: customer.computeDiscount() An expression returns value. Expressions are blocks of code that evaluate to a value as seen here: […]