Re: NSExpression

Subject: Re: NSExpression
From: mmalc crawford <email@hidden>
Date: Sun, 29 Jun 2008 01:32:49 -0700
Delivered-to: email@hidden
Delivered-to: email@hidden

On Jun 28, 2008, at 10:35 PM, Chris wrote:

NSExpression * ex = [NSExpression expressionForFunction: [NSExpression expressionForConstantValue:@"BAR"] selectorName:@"length" arguments:nil]; NSPredicate * predicate = [NSCompoundPredicate andPredicateWithSubpredicates:[NSArray arrayWithObject: ex]]; [predicate evaluateWithObject:@"FOO" substitutionVariables:nil];

What are you trying to achieve? ex is not a predicate, so you're only supplying one -- incorrect -- argument to create an AND predicate. It's not clear what role "FOO" plays in the third line.

mmalc

_______________________________________________

Cocoa-dev mailing list (email@hidden)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden



References:  
  >NSExpression (From: Chris <email@hidden>)
  >Re: NSExpression (From: Shawn Erickson <email@hidden>)
  >Re: NSExpression (From: Chris <email@hidden>)




Prev by Date:
Re: NSURLConnection vs CF and other ideas

Next by Date:
Re: NSExpression

Previous by thread:
Re: NSExpression

Next by thread:
Re: NSExpression

Index(es):

Date
Thread













  
   Home
   Archives
   Terms/Conditions
   Contact
   RSS
   Lists
   About
 






Visit the Apple Store online or at retail locations.

1-800-MY-APPLE
Contact Apple | Terms of Use | Privacy Policy
Copyright © 2011 Apple Inc. All rights reserved.

References:
	>NSExpression (From: Chris <email@hidden>)
	>Re: NSExpression (From: Shawn Erickson <email@hidden>)
	>Re: NSExpression (From: Chris <email@hidden>)