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Copy sublayers to avoid NSFastEnumerationMutation exception

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This commit is contained in:
Adlai Holler 2016-03-23 21:57:23 -07:00
parent 4ffaebc93b
commit a90a83b607
2 changed files with 4 additions and 2 deletions
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2
AsyncDisplayKit/ASDisplayNode.h
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@ -351,7 +351,7 @@ NS_ASSUME_NONNULL_BEGIN
/** /**
* @abstract The receiver's immediate subnodes. * @abstract The receiver's immediate subnodes.
*/ */
@property (nonatomic, readonly, strong) NSArray<ASDisplayNode *> *subnodes; @property (nonatomic, readonly, copy) NSArray<ASDisplayNode *> *subnodes;
/** /**
* @abstract The receiver's supernode. * @abstract The receiver's supernode.

4
AsyncDisplayKit/ASDisplayNodeExtras.mm
View File

@ -51,7 +51,9 @@ extern void ASDisplayNodePerformBlockOnEveryNode(CALayer *layer, ASDisplayNode *
} }
if (layer) { if (layer) {
for (CALayer *sublayer in [layer sublayers]) { /// NOTE: The docs say `sublayers` returns a copy, but it does not.
/// See: http://stackoverflow.com/questions/14854480/collection-calayerarray-0x1ed8faa0-was-mutated-while-being-enumerated
for (CALayer *sublayer in [[layer sublayers] copy]) {
ASDisplayNodePerformBlockOnEveryNode(sublayer, nil, block); ASDisplayNodePerformBlockOnEveryNode(sublayer, nil, block);
} }
} else if (node) { } else if (node) {