Editing Data type (section)

===Function types===
{{Main|Function type}}

[[Functional programming]] languages treat functions as a distinct datatype and allow values of this type to be stored in variables and passed to functions. Some multi-paradigm languages such as [[JavaScript]] also have mechanisms for treating functions as data.<ref>{{cite book |last1=Flanagan |first1=David |title=JavaScript: the definitive guide |date=1997 |publisher=O'Reilly & Associates |location=Cambridge |isbn=9781565922341 |edition=2nd |chapter=6.2 Functions as Data Types}}</ref> Most contemporary [[type systems]] go beyond JavaScript's simple type "function object" and have a family of function types differentiated by argument and return types, such as the type <code>Int -> Bool</code> denoting functions taking an integer and returning a Boolean. In C, a function is not a first-class data type but [[function pointer]]s can be manipulated by the program. Java and C++ originally did not have function values but have added them in C++11 and Java 8.