Clean up old evolution proposals (#258)

# Motivation

Our old proposals had a couple of stale links and were not all aligned. This cleans them up.

Author: FranzBusch

Evolution/0001-zip.md

@@ -2,9 +2,9 @@
 
 * Proposal: [SAA-0001](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0001-zip.md)
 * Authors: [Philippe Hausler](https://github.com/phausler)
-* Status: **Implemented**
+* Status: **Accepted**
 
-* Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncZip2Sequence.swift), [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncZip3Sequence.swift) | 
+* Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/Zip/AsyncZip2Sequence.swift), [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/Zip/AsyncZip3Sequence.swift) | 
 [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestZip.swift)]
 * Decision Notes: 
 * Bugs: 
@@ -45,8 +45,7 @@ public func zip<Base1: AsyncSequence, Base2: AsyncSequence, Base3: AsyncSequence
 public struct AsyncZip2Sequence<Base1: AsyncSequence, Base2: AsyncSequence>: Sendable
   where
     Base1: Sendable, Base2: Sendable,
-    Base1.Element: Sendable, Base2.Element: Sendable,
-    Base1.AsyncIterator: Sendable, Base2.AsyncIterator: Sendable {
+    Base1.Element: Sendable, Base2.Element: Sendable {
   public typealias Element = (Base1.Element, Base2.Element)
 
   public struct Iterator: AsyncIteratorProtocol {
@@ -59,8 +58,7 @@ public struct AsyncZip2Sequence<Base1: AsyncSequence, Base2: AsyncSequence>: Sen
 public struct AsyncZip3Sequence<Base1: AsyncSequence, Base2: AsyncSequence, Base3: AsyncSequence>: Sendable
   where
     Base1: Sendable, Base2: Sendable, Base3: Sendable
-    Base1.Element: Sendable, Base2.Element: Sendable, Base3.Element: Sendable
-    Base1.AsyncIterator: Sendable, Base2.AsyncIterator: Sendable, Base3.AsyncIterator: Sendable {
+    Base1.Element: Sendable, Base2.Element: Sendable, Base3.Element: Sendable {
   public typealias Element = (Base1.Element, Base2.Element, Base3.Element)
 
   public struct Iterator: AsyncIteratorProtocol {

Evolution/0002-merge.md

@@ -2,9 +2,9 @@
 
 * Proposal: [SAA-0002](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0002-merge.md)
 * Authors: [Philippe Hausler](https://github.com/phausler)
-* Status: **Implemented**
+* Status: **Accepted**
 
-* Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/Asyncmerge2Sequence.swift), [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncMerge3Sequence.swift) | 
+* Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/Merge/AsyncMerge2Sequence.swift), [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/Merge/AsyncMerge3Sequence.swift) | 
 [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestMerge.swift)]
 * Decision Notes: 
 * Bugs: 
@@ -46,8 +46,7 @@ public struct AsyncMerge2Sequence<Base1: AsyncSequence, Base2: AsyncSequence>: S
   where
     Base1.Element == Base2.Element,
     Base1: Sendable, Base2: Sendable,
-    Base1.Element: Sendable, Base2.Element: Sendable,
-    Base1.AsyncIterator: Sendable, Base2.AsyncIterator: Sendable {
+    Base1.Element: Sendable, Base2.Element: Sendable {
   public typealias Element = Base1.Element
 
   public struct Iterator: AsyncIteratorProtocol {
@@ -61,8 +60,7 @@ public struct AsyncMerge3Sequence<Base1: AsyncSequence, Base2: AsyncSequence, Ba
   where
     Base1.Element == Base2.Element, Base1.Element == Base3.Element,
     Base1: Sendable, Base2: Sendable, Base3: Sendable
-    Base1.Element: Sendable, Base2.Element: Sendable, Base3.Element: Sendable
-    Base1.AsyncIterator: Sendable, Base2.AsyncIterator: Sendable, Base3.AsyncIterator: Sendable {
+    Base1.Element: Sendable, Base2.Element: Sendable, Base3.Element: Sendable {
   public typealias Element = Base1.Element
 
   public struct Iterator: AsyncIteratorProtocol {

Evolution/0003-compacted.md

@@ -1,8 +1,8 @@
 # Compacted
 
-* Proposal: [0003](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0003-compacted.md)
+* Proposal: [SAA-0003](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0003-compacted.md)
 * Authors: [Philippe Hausler](https://github.com/phausler)
-* Status: **Implemented**
+* Status: **Accepted**
 
 * Implementation: [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncCompactedSequence.swift)
     [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestCompacted.swift)

Evolution/0004-joined.md

@@ -3,7 +3,7 @@
 * Proposal: [SAA-0004](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0004-joined.md)
 * Authors: [Philippe Hausler](https://github.com/phausler)
 * Review Manager: [Franz Busch](https://github.com/FranzBusch)
-* Status: **Implemented**
+* Status: **Accepted**
 
 * Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncJoinedSequence.swift) | 
 [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestJoin.swift)]

Evolution/0005-adjacent-pairs.md

@@ -3,7 +3,7 @@
 * Proposal: [SAA-0005](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0005-adjacent-pairs.md)
 * Author(s): [László Teveli](https://github.com/tevelee)
 * Review Manager: [Philippe Hausler](https://github.com/phausler)
-* Status: **Implemented**
+* Status: **Accepted**
 * Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncAdjacentPairsSequence.swift) | 
  [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestAdjacentPairs.swift)]
 * Decision Notes: 

Evolution/0006-combineLatest.md

@@ -2,10 +2,10 @@
 
 * Proposal: [SAA-0006](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0006-combineLatest.md)
 * Authors: [Philippe Hausler](https://github.com/phausler)
-* Status: **Implemented**
+* Status: **Accepted**
 
 
-* Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncCombineLatest2Sequence.swift), [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncCombineLatest3Sequence.swift) | 
+* Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/CombineLatest/AsyncCombineLatest2Sequence.swift), [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/CombineLatest/AsyncCombineLatest3Sequence.swift) | 
 [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestCombineLatest.swift)]
 
 * Decision Notes: 
@@ -47,8 +47,7 @@ public func combineLatest<Base1: AsyncSequence, Base2: AsyncSequence, Base3: Asy
 public struct AsyncCombineLatest2Sequence<Base1: AsyncSequence, Base2: AsyncSequence>: Sendable
   where
     Base1: Sendable, Base2: Sendable,
-    Base1.Element: Sendable, Base2.Element: Sendable,
-    Base1.AsyncIterator: Sendable, Base2.AsyncIterator: Sendable {
+    Base1.Element: Sendable, Base2.Element: Sendable {
   public typealias Element = (Base1.Element, Base2.Element)
 
   public struct Iterator: AsyncIteratorProtocol {
@@ -61,8 +60,7 @@ public struct AsyncCombineLatest2Sequence<Base1: AsyncSequence, Base2: AsyncSequ
 public struct AsyncCombineLatest3Sequence<Base1: AsyncSequence, Base2: AsyncSequence, Base3: AsyncSequence>: Sendable
   where
     Base1: Sendable, Base2: Sendable, Base3: Sendable
-    Base1.Element: Sendable, Base2.Element: Sendable, Base3.Element: Sendable
-    Base1.AsyncIterator: Sendable, Base2.AsyncIterator: Sendable, Base3.AsyncIterator: Sendable {
+    Base1.Element: Sendable, Base2.Element: Sendable, Base3.Element: Sendable {
   public typealias Element = (Base1.Element, Base2.Element, Base3.Element)
 
   public struct Iterator: AsyncIteratorProtocol {

Evolution/0007-chain.md

@@ -2,7 +2,7 @@
 
 * Proposal: [SAA-0007](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0007-chain.md)
 * Authors: [Philippe Hausler](https://github.com/phausler)
-* Status: **Implemented**
+* Status: **Accepted**
 * Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncChain2Sequence.swift), [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncChain3Sequence.swift) | 
 [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestChain.swift)]
 

Evolution/0008-bytes.md

@@ -2,7 +2,7 @@
 
 * Proposal: [SAA-0008](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0008-bytes.md)
 * Authors: [David Smith](https://github.com/Catfish-Man), [Philippe Hausler](https://github.com/phausler)
-* Status: **Implemented**
+* Status: **Accepted**
 * Implementation: [[Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncBufferedByteIterator.swift) | 
 [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestBufferedByteIterator.swift)]
 
@@ -33,7 +33,7 @@ struct AsyncBytes: AsyncSequence {
 ## Detailed Design
 
 ```swift
-public struct AsyncBufferedByteIterator: AsyncIteratorProtocol, Sendable {
+public struct AsyncBufferedByteIterator: AsyncIteratorProtocol {
   public typealias Element = UInt8
 
   public init(

0009-async.md renamed to Evolution/0009-async.md

@@ -1,6 +1,6 @@
 # AsyncSyncSequence
 
-* Proposal: [NNNN](NNNN-lazy.md)
+* Proposal: [SAA-0009](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0009-async.md)
 * Authors: [Philippe Hausler](https://github.com/phausler)
 * Status: **Implemented**
 

Evolution/0009-buffer.md renamed to Evolution/0010-buffer.md

@@ -1,8 +1,8 @@
 # Buffer
 
-* Proposal: [SAA-0009](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0009-buffer.md)
+* Proposal: [SAA-0010](https://github.com/apple/swift-async-algorithms/blob/main/Evolution/0010-buffer.md)
 * Author(s): [Thibault Wittemberg](https://github.com/twittemb)
-* Status: **Implemented**
+* Status: **Accepted**
 * Implementation: [
 [Source](https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/Buffer/AsyncBufferSequence.swift) |
 [Tests](https://github.com/apple/swift-async-algorithms/blob/main/Tests/AsyncAlgorithmsTests/TestBuffer.swift)