[stdlib] Set, Dictionary: Move compatibility typealiases to end of file

Author: lorentey

stdlib/public/core/Dictionary.swift

@@ -4139,9 +4139,6 @@ extension Dictionary.Index {
 #endif
 }
 
-public typealias DictionaryIndex<Key: Hashable, Value> =
-  Dictionary<Key, Value>.Index
-
 extension Dictionary.Index: Equatable {
   @inlinable
   public static func == (
@@ -4377,9 +4374,6 @@ extension Dictionary {
   }
 }
 
-public typealias DictionaryIterator<Key: Hashable, Value> =
-  Dictionary<Key, Value>.Iterator
-
 extension Dictionary.Iterator {
   @inlinable
   internal static func _native(
@@ -4594,3 +4588,8 @@ extension Dictionary {
   }
 }
 #endif
+
+public typealias DictionaryIndex<Key: Hashable, Value> =
+  Dictionary<Key, Value>.Index
+public typealias DictionaryIterator<Key: Hashable, Value> =
+  Dictionary<Key, Value>.Iterator

stdlib/public/core/SequenceAlgorithms.swift

@@ -43,7 +43,7 @@ extension Sequence {
   /// list consisting of indices of names with five or fewer letters.
   ///
   ///     let names: Set = ["Sofia", "Camilla", "Martina", "Mateo", "Nicolás"]
-  ///     var shorterIndices: [SetIndex<String>] = []
+  ///     var shorterIndices: [Set<String>.Index] = []
   ///     for (i, name) in zip(names.indices, names) {
   ///         if name.count <= 5 {
   ///             shorterIndices.append(i)

stdlib/public/core/Set.swift

@@ -3346,8 +3346,6 @@ extension Set.Index {
 #endif
 }
 
-public typealias SetIndex<Element: Hashable> = Set<Element>.Index
-
 extension Set.Index: Equatable {
   @inlinable
   public static func == (
@@ -3582,8 +3580,6 @@ extension Set {
   }
 }
 
-public typealias SetIterator<Element: Hashable> = Set<Element>.Iterator
-
 extension Set.Iterator {
   @inlinable
   internal static func _native(
@@ -3788,3 +3784,6 @@ extension Set {
   }
 }
 #endif
+
+public typealias SetIndex<Element: Hashable> = Set<Element>.Index
+public typealias SetIterator<Element: Hashable> = Set<Element>.Iterator