Don't know about the "looking up" part... AFAIK return types are not
a part of the method signature in Java, also indicated by Class API,
whose "getMethod..." stuff does not ask for the return type as a
parameter...
Think that Void class it has more to do with the Metod class'
getReturnType() method...
Or am I missing something?
F
On May 08, 2008, at 07:12, Galen Rhodes wrote:
The "Void" class came into being to support Reflection. So that
you could look for methods whose return type was "void".
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On May 7, 2008, at 10:07 PM, Chuck Hill wrote:
On May 7, 2008, at 7:01 PM, Michael Scott wrote:
Thanks Stephanie and Mike.
NSSelector<Void> works fine, and it makes the code clearer.
Any idea while the language has this Void class? Something to do
with void/null/”” Strings?
The JavaDocs say "The Void class is an uninstantiable placeholder
class to hold a reference to the Class object representing the
Java keyword void." It has been there since 1.1, so it has been
needed before.
Chuck
On 8/5/08 2:55 AM, "Mike Schrag" <[EMAIL PROTECTED]> wrote:
This compiles, at least ... Good to know.
NSDictionary<String, Void> a = new
NSMutableDictionary<String, Void>();
ms
On May 7, 2008, at 1:37 PM, Stephane Guyot wrote:
Michael,
did you try the type Class Void ? something like Void.Type ?
HTH,
Stephane
Le 7 mai 08 à 09:35, Michael Scott a écrit :
NSSelector<Object> works fine. But it is a bit wonky.
Perhaps Java should allow 'null' as a type argument.
Probably a bit much to ask just to make an old NextStep class
more
consistent.
On 7/5/08 2:11 PM, "Anjo Krank" <[EMAIL PROTECTED]> wrote:
Try to cheat an use <Object>?
Am 07.05.2008 um 04:12 schrieb Michael Scott:
NSSelector has been generified (generifried?) so that the
return
type of the method it calls must be specified as a type
parameter.
So,
NSSelector<String> selector = new
NSSelector<String>(“testMethod”);
Can be used to call the following method which returns a String
(regardless on what class the method resides):
public String testMethod() {
return “testing, testing, 1, 2, 3 ...”;
}
But what if the method returns void?
public void testMethod2() {
// do something fab
}
What type argument should be used to instantiate NSSelector<T>?
Or have I missed something fundamental?
Cheers
Michael Scott
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