Altsys Virtuoso 2.0K/virtuoso_20k.iso/NeXTanswers/OpenStepSpec_rtf/FoundationKit/Classes/NSCountedSet.rtf

Text File | 1994-07-01 | 3.6 KB | 74 lines

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(Preliminary Documentation) Copyright \f3 \'e3\f1 1994 by NeXT Computer, Inc.  All Rights Reserved.\
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\fs36 NSCountedSet \
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\fs28 \f0 \b \fs28 Inherits From:    \b0 \fs28 \f1 NSMutableSet \
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\fs28 \s2 \fs16 \fs28 \f0 \b \fs28 Conforms To:    \b0 \fs28 \f1 NSCopying\
\fi0 NSCoding\
\fi0 NSMutableCopying\
\fi0 NSObject \
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\fs28 \s3 \fi-2771 \fs16 \fs28 \f0 \b \fs28 Declared In:    \b0 \fs28 \f1 foundation/NSSet.h \
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\fs28 Initializing an NSCountedSet\
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\fs28 \pard \s4 \li7029 \fi-6552 \ri1007 \ql \tx6652 \tx7030 \f1 \b0 \fi-6552 {\f3 -} (id)\b initWithArray:\b0 (NSArray *)\i anArray\i0     Initializes a newly allocated set object by placing in it the objects contained in \i anArray.\
\fi-6552 \fi-6552 \i0 \fi-6552 {\f3 -} (id)\b initWithCapacity:\b0 (unsigned int)\i numItems\i0     Initializes a newly allocated set object, giving it enough memory to hold \i numItems\i0  objects.\
\fi-6552 \fi-6552 \fi-6552 {\f3 -} (id)\b initWithSet:\b0 (NSSet *)\i anotherSet\i0     Initializes a newly allocated set object by placing in it the objects contained in \i anotherSet.\
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\fs28 Adding Objects    \
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\fs28 \pard \s4 \li7029 \fi-6552 \ri1007 \ql \tx6652 \tx7030 \f1 \b0 \fi-6552 {\f3 -} (void)\b addObject:\b0 (id)\i anObject\i0     Adds \i anObject\i0  to the set, unless \i anObject \i0 is equal to some object already in the set. In either case, the counter that\'27s returned by \b countForObject:\b0  is incremented.\
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\fs28 Removing Objects\
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\fs28 \pard \s4 \li7029 \fi-6552 \ri1007 \ql \tx6652 \tx7030 \f1 \b0 \fi-6552 {\f3 -} (void)\b removeObject:\b0 (id)\i anObject\i0     Decrements the counter for the object, if the set contains an object that\'27s equal to \i anObject\i0 . If this causes the counter to reach zero, the object that\'27s equal to \i anObject\i0  is removed from the set.\
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\fs28 Querying the NSCountedSet\
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\fs28 \pard \s4 \li7029 \fi-6552 \ri1007 \ql \tx6652 \tx7030 \f1 \b0 \fi-6552 {\f3 -} (unsigned int)\b countForObject:\b0 (id)\i anObject\i0     Returns the number of times that an object equal to \i anObject\i0  has ostensibly been added to the set. (This number is incremented by \b addObject: \b0 and decremented by \b removeObject:\b0 .)\
\fi-6552 \fi-6552 \fi-6552 {\f3 -} (NSEnumerator *)\b objectEnumerator\b0     Returns an enumerator object that will access each object in the set only once, regardless of its count.\
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