If you pass &blah, if there is no error, blah == nil Perhaps by-reference would be a better terminology.
Returns, by-reference, an NSError object if the regex is invalid; otherwise nil. Pass nil if you don't care. Would that be preferable to folks? Sent from my iPhone On Feb 9, 2011, at 1:51 PM, Matt Neuburg <m...@tidbits.com> wrote: > >> Date: Tue, 8 Feb 2011 17:07:00 -0600 >> From: Fritz Anderson <fri...@manoverboard.org> >> Subject: Initializing NSError **, again Re: CoreData Migration >> Problems >> >> I'm filing a bug against the documentation because it's flat wrong; or if >> it's right, it's a workaround for a bug, and the variance from universal >> practice has to be flagged conspicuously, not just casually mentioned. > > Howsabout this one, from NSRegularExpression: > >> + (NSRegularExpression *)regularExpressionWithPattern:(NSString >> *)patternoptions:(NSRegularExpressionOptions)options error:(NSError **)error >> ... > >> error >> An out value that returns any error encountered during initialization. >> Returns nil if the regular expression pattern is invalid. > > Really? :) m. > > -- > matt neuburg, phd = m...@tidbits.com, http://www.tidbits.com/matt/ > pantes anthropoi tou eidenai oregontai phusei > Among the 2007 MacTech Top 25, http://tinyurl.com/2rh4pf > AppleScript: the Definitive Guide, 2nd edition > http://www.tidbits.com/matt/default.html#applescriptthings > Take Control of Exploring & Customizing Snow Leopard > http://tinyurl.com/kufyy8 > RubyFrontier! http://www.apeth.com/RubyFrontierDocs/default.html > TidBITS, Mac news and reviews since 1990, http://www.tidbits.com > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > 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: > http://lists.apple.com/mailman/options/cocoa-dev/scott%40cocoadoc.com > > This email sent to sc...@cocoadoc.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
