The class from which a class or trait is immediately derived, the nearest class above it in its inheritance hierarchy. If a class Parent

A type defined by providing several alternatives, each of which comes with its own constructor. It usually comes with a way to decompose the type through pattern matching. The concept is found in spec [..]

A branch of a match expression. It has the form “case

An annotation appears in source code and is attached to some part of the syntax. Annotations are computer processable, so you can use them to effectively add an extension to Scala.

An anonymous class is a synthetic subclass generated by the Scala compiler from a new expression in which the class or trait name is followed by curly braces. The curly braces contains the body of the [..]

Another name for function literal

You can apply a method, function, or closure to arguments, which means you invoke it on those arguments.

When a function is invoked, an argument is passed for each parameter of that function. The parameter is the variable that refers to the argument. The argument is the object passed at invocation time. [..]

You can assign an object to a variable. Afterwards, the variable will refer to the object.