Re: Generics in WO - Writing accessors for to-many relationship?
Re: Generics in WO - Writing accessors for to-many relationship?
- Subject: Re: Generics in WO - Writing accessors for to-many relationship?
- From: "Mr. Pierre Frisch" <email@hidden>
- Date: Fri, 2 Nov 2007 09:38:05 -0700
| Actually it is. NSArray has the right method in 5.4:
@SuppressWarnings( { "unchecked", "cast" }) public static final <T> NSArray<T> emptyArray() { return (NSArray<T>) EmptyArray; }
Pierre On Nov 1, 2007, at 14:20, Mike Schrag wrote: 4) I don't believe NSArray.EmptyArray is genericized properly (I'm not sure it is in Project Wonder, either). The proper definition should be:
@SuppressWarnings("unchecked")
public static <T> NSArray<T> emptyArray() {
return NSArray.EmptyArray;
}
at which point you would use:
NSArray<String> emptyStringArray = NSArray.<String>emptyArray();
In the absence of that definition, you will need to cast (and add a warning ignore).
|
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