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decorate); // traces - > John
print(s, function(s){ return ???-- ??? + s + ??? --???; }); // traces -- John --
}
}
The second argument of the print() function is a typedef for a function that accepts a String as an
argument and returns a String . In the main() method the print() function is used passing the static
function quote() , then the instance function decorate() of the class StringDecoration , and finally
an inline function definition.
Iterators and Iterables
In the haXe standard library, two very commonly used typedef s are defined: Iterator < T > and
Iterable < T > .
Their definition is as follows:
typedef Iterator < T > = {
function hasNext() : Bool;
function next() : T;
}
typedef Iterable < T > = {
function iterator() : Iterator < T > ;
}
As you have already seen in Chapter 3 , those structures are defined to deal with object collections and
they are easily implemented in class definitions. In the example, a random iterator is defined. The
iterator will return a sequence of n random letters.


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