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Add methods from 10.8 for using zeroing weak references in collections.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@35877 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
theraven 2012-12-11 17:49:28 +00:00
parent 0fd06dc66f
commit 38c34ba6ea
8 changed files with 110 additions and 10 deletions
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25
Source/NSMapTable.m
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@ -98,6 +98,31 @@ static Class concreteClass = 0;
valueOptions: NSPointerFunctionsObjectPersonality
| NSPointerFunctionsZeroingWeakMemory];
}
+ (id) strongToStrongObjectsMapTable
{
return [self mapTableWithKeyOptions: NSMapTableObjectPointerPersonality
valueOptions: NSMapTableObjectPointerPersonality];
}
+ (id) strongToWeakObjectsMapTable
{
return [self mapTableWithKeyOptions: NSMapTableObjectPointerPersonality
valueOptions: NSMapTableObjectPointerPersonality |
NSMapTableWeakMemory];
}
+ (id) weakToStrongObjectsMapTable
{
return [self mapTableWithKeyOptions: NSMapTableObjectPointerPersonality |
NSMapTableWeakMemory
valueOptions: NSMapTableObjectPointerPersonality];
}
+ (id) weakToWeakObjectsMapTable
{
return [self mapTableWithKeyOptions: NSMapTableObjectPointerPersonality |
NSMapTableWeakMemory
valueOptions: NSMapTableObjectPointerPersonality |
NSMapTableWeakMemory];
}
- (id) initWithKeyOptions: (NSPointerFunctionsOptions)keyOptions
valueOptions: (NSPointerFunctionsOptions)valueOptions