Article View: comp.sys.next.programmer
Article #1042Re: Multiple init: functions defined
From: jim Jim Mackraz
Date: Thu, 03 Sep 1992 00:02
Date: Thu, 03 Sep 1992 00:02
52 lines
1793 bytes
1793 bytes
Jack Gidding writes > > Hmmmm..... this is really strange and very undesired behavior from Objective-C. > > When I include the header files from two different classes into a third class, > and each of the included classes have a single init: method defined, I get > messages similar to the following: > > > main2.m:18: warning: multiple declarations for method `init:' > /Clib/RP.h:32: using `-init:(int )pSize' > /Clib/RS.h:31: also found `-init:(OBJPTR )s' > > > Why is this happening??? Sometimes it tells me that it resolved which init to > use, sometimes not, and sometimes it resolves it to the wrong init:. > > > The code that has the init method is sililar in form to: > > #import <RP.h> // Both RP and RS have and init: method > #import <RS.h> > > id x; > > x = [[RP alloc] init:(int) 5]; > > id is totally dynamic, and thus it really does not know which init to use.... > > So, why is it telling me that it is using one method or another...shouldn't > this be left up until run-time? > > > Am I doing something wrong to cause this? Yeah, you're "type overloading" the method "init:". Don't do that. Make one of the "-initInt: (int) intVal" and the other one "-initObj: (OBJPTR) obj" ... or something like that. > Thanks, > > > Jack Gidding > jack@richsun.cpg.trs.reuter.com -- Jim Mackraz jim@oceania.com
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Newsgroups: comp.sys.next.programmer Path: arc1-ca.pugleaf.net!sparky!uunet!oceania!jim From: jim (Jim Mackraz) Subject: Re: Multiple init: functions defined Message-ID: <Btz6sL.8qC@oceania.com> Sender: jim@oceania.com (Jim Mackraz) Reply-To: jim@oceania.com Organization: Oceania Health Care Systems References: <3575@richsun.cpg.trs.reuter.com> Date: Thu, 3 Sep 1992 00:02:43 GMT Lines: 52