Hello :)
you can try this example :
private function _myMethod( args ):Void {
var arg0 = arguments[0] ;
switch (true) {
case arg0 instanceof String :
break ;
case arg0 instanceof Number :
break ;
default
throw new Error("Illegal Argument, " + arg0 + " must be
String or Number") ;
)
}
For me ... this method is a good alternative :)
EKA+ :)
2006/6/15, Adrian Park <[EMAIL PROTECTED]>:
Hi List,
What's the neatest way of accepting a single parameter with 2 possible
types
into a method and then working out what type of parameter has been passed?
e.g. in pseudo code
private function myMethod( i:Number/String ):Void {
if ( i is a String ) {
// do this
} else if ( i is a Number ) {
// do this
}
}
I can think of several alternatives :
- passing a generic object which contains the property and then using
typeof
on that property
- calling 2 different methods but, in this case, it just makes sense to be
one since it's doing the same thing with either parameter (retrieving a
bit
of data from an Array which may be identified using a numerical id or a
String ID)
- limiting my method to accepting a String only and then defining a second
method that returns the correspoding String identifier given a numerical
identifier
All of the ways I can think of seem dirty. Is there a nice clean way or is
it wrong to expect the method to accept one parameter of different types?
Thanks in advance,
Adrian P.
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