[bug #46418] NSPredicate is missing a predicateWithBlock implementation

URL:
  <http://savannah.gnu.org/bugs/?46418>

                 Summary: NSPredicate is missing a predicateWithBlock
implementation
                 Project: GNUstep
            Submitted by: akanet
            Submitted on: Tue 10 Nov 2015 11:33:36 PM GMT
                Category: Base/Foundation
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Here's the Apple reference on the method:

https://developer.apple.com/library/ios/documentation/Cocoa/Reference/Foundation/Classes/NSPredicate_Class/#//apple_ref/occ/clm/NSPredicate/predicateWithBlock:

It indicates this has been available since at least OSX 10.6.

GNUStep's NSPredicate implementation seems to be missing this currently:
https://github.com/gnustep/base/blob/master/Headers/Foundation/NSPredicate.h

I don't think it should be super hard to implement, but unfortunately I don't
know very much ObjC. There's an open TODO on Etoile to add this, so perhaps
someone from that project might be able to step in?
https://github.com/etoile/CoreObject/blob/master/TODO.md#future-work-minor-features-refactoring-cleanup




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