Merge pull request #6421 from phausler/dictionary_bridge_perf
Add a fast-path case for enumeration of keys and objects for bridged Dictionaries
diff --git a/stdlib/public/core/HashedCollections.swift.gyb b/stdlib/public/core/HashedCollections.swift.gyb
index 4fdb970..703535f 100644
--- a/stdlib/public/core/HashedCollections.swift.gyb
+++ b/stdlib/public/core/HashedCollections.swift.gyb
@@ -3563,6 +3563,23 @@
) {
bridgedAllKeysAndValues(objects, keys)
}
+
+ @objc(enumerateKeysAndObjectsWithOptions:usingBlock:)
+ internal func enumerateKeysAndObjects(options: Int,
+ using block: @convention(block) (Unmanaged<AnyObject>, Unmanaged<AnyObject>,
+ UnsafeMutablePointer<UInt8>) -> Void) {
+ bridgeEverything()
+ let capacity = nativeBuffer.capacity
+ var stop: UInt8 = 0
+ for position in 0..<capacity {
+ if bridgedBuffer.isInitializedEntry(at: position) {
+ block(Unmanaged.passUnretained(bridgedBuffer.key(at: position)),
+ Unmanaged.passUnretained(bridgedBuffer.value(at: position)),
+ &stop)
+ }
+ if stop != 0 { return }
+ }
+ }
%end
/// Returns the pointer to the stored property, which contains bridged
