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C# class name « : «parentclass ... JavaScript function name(«parameters ... member val Bar = value with get, set: COBOL level-number bar clauses PROPERTY.
In the example above, class Foo contains two properties, Size and Name. The Size property is an integer that can be read (get) and written (set). Similarly, the Name property is a string that can also be read and modified, but its value is stored in a separate (private) class variable _name.
In Python, functions are first-class objects, just like strings, numbers, lists etc. This feature eliminates the need to write a function object in many cases. Any object with a __call__() method can be called using function-call syntax. An example is this accumulator class (based on Paul Graham's study on programming language syntax and ...
A function definition starts with the name of the type of value that it returns or void to indicate that it does not return a value. This is followed by the function name, formal arguments in parentheses, and body lines in braces. In C++, a function declared in a class (as non-static) is called a member function or method.
A function call using named parameters differs from a regular function call in that the arguments are passed by associating each one with a parameter name, instead of providing an ordered list of arguments. For example, consider this Java or C# method call that doesn't use named parameters:
For example, the method call obj.f(x) could also be written as obj.f.call(obj, x). To work around the different meaning of this in nested functions such as DOM event handlers, it is a common idiom in JavaScript to save the this reference of the calling object in a variable (commonly called that or self), and then use the variable to refer to ...
In computer science, a mutator method is a method used to control changes to a variable. They are also widely known as setter methods. Often a setter is accompanied by a getter, which returns the value of the private member variable.
A local class is a class defined within a procedure or function. Such structure limits references to the class name to within the scope where the class is declared. Depending on the semantic rules of the language, there may be additional restrictions on local classes compared to non-local ones.