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avoid padding a struct to be hashed #2024

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avoid padding a struct to be hashed #2024

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4 changes: 3 additions & 1 deletion Source/Details/ASCollectionLayoutContext.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,9 @@ - (NSUInteger)hash
{
struct {
CGSize viewportSize;
ASScrollDirection scrollableDirections;
// Fields must be aligned without padding, otherwise hash result will be different for the same
// struct. That's why we use NSUInteger instead of ASScrollDirection.
NSUInteger scrollableDirections;
NSUInteger elementsHash;
NSUInteger layoutDelegateClassHash;
NSUInteger additionalInfoHash;
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