Apply same CountableRange changes as in swiftlang/swift#12913

Author: airspeedswift

Foundation/Data.swift

@@ -1005,7 +1005,7 @@ public struct Data : ReferenceConvertible, Equatable, Hashable, RandomAccessColl
     public typealias Base64DecodingOptions = NSData.Base64DecodingOptions
 
     public typealias Index = Int
-    public typealias Indices = CountableRange<Int>
+    public typealias Indices = Range<Int>
 
     @_versioned internal var _backing : _DataStorage
     @_versioned internal var _sliceRange: Range<Index>
@@ -1546,12 +1546,6 @@ public struct Data : ReferenceConvertible, Equatable, Hashable, RandomAccessColl
         }
     }
 
-    @inline(__always)
-    public mutating func replaceSubrange(_ subrange: CountableRange<Index>, with data: Data) {
-        let range: Range<Int> = subrange.lowerBound..<subrange.upperBound
-        replaceSubrange(range, with: data)
-    }
-    
     /// Replace a region of bytes in the data with new bytes from a buffer.
     ///
     /// This will resize the data if required, to fit the entire contents of `buffer`.
@@ -1752,7 +1746,7 @@ public struct Data : ReferenceConvertible, Equatable, Hashable, RandomAccessColl
         return i + 1
     }
 
-    public var indices: CountableRange<Int> {
+    public var indices: Range<Int> {
         @inline(__always)
         get {
             return startIndex..<endIndex

Foundation/IndexSet.swift

@@ -105,7 +105,7 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
             return IndexingIterator(_elements: self)
         }
 
-        public subscript(index : Index) -> CountableRange<IndexSet.Element> {
+        public subscript(index : Index) -> Range<IndexSet.Element> {
             let indexSetRange = indexSet._range(at: index)
             if let intersectingRange = intersectingRange {
                 return Swift.max(intersectingRange.lowerBound, indexSetRange.lowerBound)..<Swift.min(intersectingRange.upperBound, indexSetRange.upperBound)
@@ -159,11 +159,9 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
     }
 
     /// Initialize an `IndexSet` with a range of integers.
-    public init(integersIn range: ClosedRange<Element>) { self.init(integersIn: Range(range)) }
-    /// Initialize an `IndexSet` with a range of integers.
-    public init(integersIn range: CountableClosedRange<Element>) { self.init(integersIn: Range(range)) }
-    /// Initialize an `IndexSet` with a range of integers.
-    public init(integersIn range: CountableRange<Element>) { self.init(integersIn: Range(range)) }
+    public init<R: RangeExpression>(integersIn range: R) where R.Bound == Element { 
+      self.init(integersIn: range.relative(to: 0..<Int.max))
+    }
 
     /// Initialize an `IndexSet` with a single integer.
     public init(integer: Element) {
@@ -205,16 +203,9 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
     /// Returns a `Range`-based view of `self`.
     ///
     /// - parameter range: A subrange of `self` to view.
-    public func rangeView(of range : ClosedRange<Element>) -> RangeView { return self.rangeView(of: Range(range)) }
-    /// Returns a `Range`-based view of `self`.
-    ///
-    /// - parameter range: A subrange of `self` to view.
-    public func rangeView(of range : CountableClosedRange<Element>) -> RangeView { return self.rangeView(of: Range(range)) }
-    /// Returns a `Range`-based view of `self`.
-    ///
-    /// - parameter range: A subrange of `self` to view.
-    public func rangeView(of range : CountableRange<Element>) -> RangeView { return self.rangeView(of: Range(range)) }
-    
+    public func rangeView<R: RangeExpression>(of range : R) -> RangeView where R.Bound == Element { 
+      return self.rangeView(of: range.relative(to: 0..<Int.max)) 
+    }    
 
     private func _indexOfRange(containing integer : Element) -> RangeView.Index? {
         let result = _handle.map {
@@ -344,32 +335,19 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
     /// The resulting range is the range of the intersection of the integers in `range` with the index set.
     ///
     /// - parameter range: The range of integers to include.
-    public func indexRange(in range: CountableRange<Element>) -> Range<Index> { return self.indexRange(in: Range(range)) }
-    /// Return a `Range<IndexSet.Index>` which can be used to subscript the index set.
-    ///
-    /// The resulting range is the range of the intersection of the integers in `range` with the index set.
-    ///
-    /// - parameter range: The range of integers to include.
-    public func indexRange(in range: ClosedRange<Element>) -> Range<Index> { return self.indexRange(in: Range(range)) }
-    /// Return a `Range<IndexSet.Index>` which can be used to subscript the index set.
-    ///
-    /// The resulting range is the range of the intersection of the integers in `range` with the index set.
-    ///
-    /// - parameter range: The range of integers to include.
-    public func indexRange(in range: CountableClosedRange<Element>) -> Range<Index> { return self.indexRange(in: Range(range)) }
-    
+    public func indexRange<R: RangeExpression>(in range: R) -> Range<Index> where R.Bound == Element { 
+      return self.indexRange(in: range.relative(to: 0..<Int.max))
+    }
 
     /// Returns the count of integers in `self` that intersect `range`.
     public func count(in range: Range<Element>) -> Int {
         return _handle.map { $0.countOfIndexes(in: _toNSRange(range)) }
     }
 
     /// Returns the count of integers in `self` that intersect `range`.
-    public func count(in range: CountableRange<Element>) -> Int { return self.count(in: Range(range)) }
-    /// Returns the count of integers in `self` that intersect `range`.
-    public func count(in range: ClosedRange<Element>) -> Int { return self.count(in: Range(range)) }
-    /// Returns the count of integers in `self` that intersect `range`.
-    public func count(in range: CountableClosedRange<Element>) -> Int { return self.count(in: Range(range)) }
+    public func count<R: RangeExpression>(in range: R) -> Int where R.Bound == Element { 
+      return self.count(in: range.relative(to: 0..<Int.max))
+    }
 
     /// Returns `true` if `self` contains `integer`.
     public func contains(_ integer: Element) -> Bool {
@@ -381,13 +359,10 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
         return _handle.map { $0.contains(in: _toNSRange(range)) }
     }
 
-    /// Returns `true` if `self` contains all of the integers in `range`.
-    public func contains(integersIn range: CountableRange<Element>) -> Bool { return self.contains(integersIn: Range(range)) }
-    /// Returns `true` if `self` contains all of the integers in `range`.
-    public func contains(integersIn range: ClosedRange<Element>) -> Bool { return self.contains(integersIn: Range(range)) }
-    /// Returns `true` if `self` contains all of the integers in `range`.
-    public func contains(integersIn range: CountableClosedRange<Element>) -> Bool { return self.contains(integersIn: Range(range)) }
-    
+    /// Returns `true` if `self` intersects any of the integers in `range`.
+    public func intersects<R: RangeExpression>(integersIn range: R) -> Bool where R.Bound == Element { 
+      return self.intersects(integersIn: range.relative(to: 0..<Int.max))
+    }
 
     /// Returns `true` if `self` contains all of the integers in `indexSet`.
     public func contains(integersIn indexSet: IndexSet) -> Bool {
@@ -400,11 +375,9 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
     }
 
     /// Returns `true` if `self` intersects any of the integers in `range`.
-    public func intersects(integersIn range: CountableRange<Element>) -> Bool { return self.intersects(integersIn: Range(range)) }
-    /// Returns `true` if `self` intersects any of the integers in `range`.
-    public func intersects(integersIn range: ClosedRange<Element>) -> Bool { return self.intersects(integersIn: Range(range)) }
-    /// Returns `true` if `self` intersects any of the integers in `range`.
-    public func intersects(integersIn range: CountableClosedRange<Element>) -> Bool { return self.intersects(integersIn: Range(range)) }
+    public func intersects<R: RangeExpression>(integersIn range: R) -> Bool where R.Bound == Element { 
+      return self.intersects(integersIn: range.relative(to: 0..<Int.max))
+    }
 
     // MARK: -
     // Collection
@@ -619,23 +592,14 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
     }
 
     /// Insert a range of integers into the `IndexSet`.
-    public mutating func insert(integersIn range: CountableRange<Element>) { self.insert(integersIn: Range(range)) }
-    /// Insert a range of integers into the `IndexSet`.
-    public mutating func insert(integersIn range: ClosedRange<Element>) { self.insert(integersIn: Range(range)) }
-    /// Insert a range of integers into the `IndexSet`.
-    public mutating func insert(integersIn range: CountableClosedRange<Element>) { self.insert(integersIn: Range(range)) }
-    
-    /// Remove a range of integers from the `IndexSet`.
-    public mutating func remove(integersIn range: Range<Element>) {
-        _applyMutation { $0.remove(in: _toNSRange(range)) }
+    public mutating func insert<R: RangeExpression>(integersIn range: R) where R.Bound == Element { 
+      self.insert(integersIn: range.relative(to: 0..<Int.max))
     }
 
     /// Remove a range of integers from the `IndexSet`.
-    public mutating func remove(integersIn range: CountableRange<Element>) { self.remove(integersIn: Range(range)) }
-    /// Remove a range of integers from the `IndexSet`.
-    public mutating func remove(integersIn range: ClosedRange<Element>) { self.remove(integersIn: Range(range)) }
-    /// Remove a range of integers from the `IndexSet`.
-    public mutating func remove(integersIn range: CountableClosedRange<Element>) { self.remove(integersIn: Range(range)) }
+    public mutating func remove(integersIn range: ClosedRange<Element>) { 
+      self.remove(integersIn: Range(range))
+    }
 
     /// Returns `true` if self contains no values.
     public var isEmpty : Bool {
@@ -668,21 +632,11 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
         }
     }
 
-    /// Returns an IndexSet filtered according to the result of `includeInteger`.
-    ///
-    /// - parameter range: A range of integers. For each integer in the range that intersects the integers in the IndexSet, then the `includeInteger` predicate will be invoked.
-    /// - parameter includeInteger: The predicate which decides if an integer will be included in the result or not.
-    public func filteredIndexSet(in range : CountableRange<Element>, includeInteger: (Element) throws -> Bool) rethrows -> IndexSet { return try self.filteredIndexSet(in: Range(range), includeInteger: includeInteger) }
     /// Returns an IndexSet filtered according to the result of `includeInteger`.
     ///
     /// - parameter range: A range of integers. For each integer in the range that intersects the integers in the IndexSet, then the `includeInteger` predicate will be invoked.
     /// - parameter includeInteger: The predicate which decides if an integer will be included in the result or not.
     public func filteredIndexSet(in range : ClosedRange<Element>, includeInteger: (Element) throws -> Bool) rethrows -> IndexSet { return try self.filteredIndexSet(in: Range(range), includeInteger: includeInteger) }
-    /// Returns an IndexSet filtered according to the result of `includeInteger`.
-    ///
-    /// - parameter range: A range of integers. For each integer in the range that intersects the integers in the IndexSet, then the `includeInteger` predicate will be invoked.
-    /// - parameter includeInteger: The predicate which decides if an integer will be included in the result or not.
-    public func filteredIndexSet(in range : CountableClosedRange<Element>, includeInteger: (Element) throws -> Bool) rethrows -> IndexSet { return try self.filteredIndexSet(in: Range(range), includeInteger: includeInteger) }
 
     /// Returns an IndexSet filtered according to the result of `includeInteger`.
     ///
@@ -762,8 +716,8 @@ private struct IndexSetBoundaryIterator : IteratorProtocol {
 
     private var i1: IndexSet.RangeView.Iterator
     private var i2: IndexSet.RangeView.Iterator
-    private var i1Range: CountableRange<Element>?
-    private var i2Range: CountableRange<Element>?
+    private var i1Range: Range<Element>?
+    private var i2Range: Range<Element>?
     private var i1UsedLower: Bool
     private var i2UsedLower: Bool