SE-0514: Update 6.3 to 6.4 availability (#3141)

stephentyrone · web-flow · commit 335dea08a4be · 2026-02-21T10:35:31.000-05:00
diff --git a/proposals/0514-hashable-conformance-for-dictionarykeys-collectionofone-emptycollection.md b/proposals/0514-hashable-conformance-for-dictionarykeys-collectionofone-emptycollection.md
@@ -57,7 +57,7 @@ extension Dictionary.Keys {
   }
 }
 
-@available(SwiftStdlib 6.3, *)
+@available(SwiftStdlib 6.4, *)
 extension Dictionary.Keys: Hashable {}
 ```
 
@@ -100,10 +100,10 @@ extension CollectionOfOne where Element: Hashable {
   }
 }
 
-@available(SwiftStdlib 6.3, *)
+@available(SwiftStdlib 6.4, *)
 extension CollectionOfOne: Equatable where Element: Equatable {}
 
-@available(SwiftStdlib 6.3, *)
+@available(SwiftStdlib 6.4, *)
 extension CollectionOfOne: Hashable where Element: Hashable {}
 ```
 
@@ -126,7 +126,7 @@ extension EmptyCollection {
   }
 }
 
-@available(SwiftStdlib 6.3, *)
+@available(SwiftStdlib 6.4, *)
 extension EmptyCollection: Hashable {}
 ```
 

Original file line number	Diff line number	Diff line change
`@@ -57,7 +57,7 @@ extension Dictionary.Keys {`
`57`	`57`	`}`
`58`	`58`	`}`
`59`	`59`
`60`		`-@available(SwiftStdlib 6.3, *)`
	`60`	`+@available(SwiftStdlib 6.4, *)`
`61`	`61`	`extension Dictionary.Keys: Hashable {}`
`62`	`62`	```
`63`	`63`
`@@ -100,10 +100,10 @@ extension CollectionOfOne where Element: Hashable {`
`100`	`100`	`}`
`101`	`101`	`}`
`102`	`102`
`103`		`-@available(SwiftStdlib 6.3, *)`
	`103`	`+@available(SwiftStdlib 6.4, *)`
`104`	`104`	`extension CollectionOfOne: Equatable where Element: Equatable {}`
`105`	`105`
`106`		`-@available(SwiftStdlib 6.3, *)`
	`106`	`+@available(SwiftStdlib 6.4, *)`
`107`	`107`	`extension CollectionOfOne: Hashable where Element: Hashable {}`
`108`	`108`	```
`109`	`109`
`@@ -126,7 +126,7 @@ extension EmptyCollection {`
`126`	`126`	`}`
`127`	`127`	`}`
`128`	`128`
`129`		`-@available(SwiftStdlib 6.3, *)`
	`129`	`+@available(SwiftStdlib 6.4, *)`
`130`	`130`	`extension EmptyCollection: Hashable {}`
`131`	`131`	```
`132`	`132`