[gardening] Remove accidental trailing whitespace (" " and "\t")

stdlib/public/SDK/Dispatch/Data.swift

@@ -82,7 +82,7 @@ public struct DispatchData : RandomAccessCollection, _ObjectiveCBridgeable {
 	}
 
 	public func enumerateBytes(
-		block: (_ buffer: UnsafeBufferPointer<UInt8>, _ byteIndex: Int, _ stop: inout Bool) -> Void) 
+		block: (_ buffer: UnsafeBufferPointer<UInt8>, _ byteIndex: Int, _ stop: inout Bool) -> Void)
 	{
 		_swift_dispatch_data_apply(__wrapped) { (_, offset: Int, ptr: UnsafeRawPointer, size: Int) in
             let bytePtr = ptr.bindMemory(to: UInt8.self, capacity: size)
@@ -137,7 +137,7 @@ public struct DispatchData : RandomAccessCollection, _ObjectiveCBridgeable {
 	public func copyBytes(to pointer: UnsafeMutablePointer<UInt8>, count: Int) {
 		_copyBytesHelper(to: pointer, from: 0..<count)
 	}
-		
+
 	/// Copy a subset of the contents of the data to a pointer.
 	///
 	/// - parameter pointer: A pointer to the buffer you wish to copy the bytes into.
@@ -146,7 +146,7 @@ public struct DispatchData : RandomAccessCollection, _ObjectiveCBridgeable {
 	public func copyBytes(to pointer: UnsafeMutablePointer<UInt8>, from range: CountableRange<Index>) {
 		_copyBytesHelper(to: pointer, from: range)
 	}
-	
+
 	/// Copy the contents of the data into a buffer.
 	///
 	/// This function copies the bytes in `range` from the data into the buffer. If the count of the `range` is greater than `MemoryLayout<DestinationType>.stride * buffer.count` then the first N bytes will be copied into the buffer.
@@ -157,23 +157,23 @@ public struct DispatchData : RandomAccessCollection, _ObjectiveCBridgeable {
 	public func copyBytes<DestinationType>(to buffer: UnsafeMutableBufferPointer<DestinationType>, from range: CountableRange<Index>? = nil) -> Int {
 		let cnt = count
 		guard cnt > 0 else { return 0 }
-		
+
 		let copyRange : CountableRange<Index>
 		if let r = range {
 			guard !r.isEmpty else { return 0 }
 			precondition(r.startIndex >= 0)
 			precondition(r.startIndex < cnt, "The range is outside the bounds of the data")
-			
+
 			precondition(r.endIndex >= 0)
 			precondition(r.endIndex <= cnt, "The range is outside the bounds of the data")
-			
+
 			copyRange = r.startIndex..<(r.startIndex + Swift.min(buffer.count * MemoryLayout<DestinationType>.stride, r.count))
 		} else {
 			copyRange = 0..<Swift.min(buffer.count * MemoryLayout<DestinationType>.stride, cnt)
 		}
-		
+
 		guard !copyRange.isEmpty else { return 0 }
-		
+
 		_copyBytesHelper(to: buffer.baseAddress!, from: copyRange)
 		return copyRange.count
 	}

stdlib/public/SDK/Dispatch/Queue.swift

@@ -95,7 +95,7 @@ public extension DispatchQueue {
 		internal func _attr(attr: __OS_dispatch_queue_attr?) -> __OS_dispatch_queue_attr? {
 			if #available(OSX 10.12, iOS 10.0, tvOS 10.0, watchOS 3.0, *) {
 				switch self {
-				case .inherit: 
+				case .inherit:
 					// DISPATCH_AUTORELEASE_FREQUENCY_INHERIT
 					return __dispatch_queue_attr_make_with_autorelease_frequency(attr, __dispatch_autorelease_frequency_t(0))
 				case .workItem:
@@ -142,7 +142,7 @@ public extension DispatchQueue {
 		}
 		return nil
 	}
-	
+
 	public convenience init(
 		label: String,
 		qos: DispatchQoS = .unspecified,
@@ -151,8 +151,8 @@ public extension DispatchQueue {
 		target: DispatchQueue? = nil)
 	{
 		var attr = attributes._attr()
-		if autoreleaseFrequency != .inherit { 
-			attr = autoreleaseFrequency._attr(attr: attr) 
+		if autoreleaseFrequency != .inherit {
+			attr = autoreleaseFrequency._attr(attr: attr)
 		}
 		if #available(OSX 10.10, iOS 8.0, *), qos != .unspecified {
 			attr = __dispatch_queue_attr_make_with_qos_class(attr, qos.qosClass.rawValue, Int32(qos.relativePriority))
@@ -179,23 +179,23 @@ public extension DispatchQueue {
 
 	@available(OSX 10.10, iOS 8.0, *)
 	public func async(execute workItem: DispatchWorkItem) {
-		// _swift_dispatch_async preserves the @convention(block) 
+		// _swift_dispatch_async preserves the @convention(block)
 		// for work item blocks.
 		_swift_dispatch_async(self, workItem._block)
 	}
 
 	@available(OSX 10.10, iOS 8.0, *)
 	public func async(group: DispatchGroup, execute workItem: DispatchWorkItem) {
-		// _swift_dispatch_group_async preserves the @convention(block) 
+		// _swift_dispatch_group_async preserves the @convention(block)
 		// for work item blocks.
 		_swift_dispatch_group_async(group, self, workItem._block)
 	}
 
 	public func async(
-		group: DispatchGroup? = nil, 
-		qos: DispatchQoS = .unspecified, 
-		flags: DispatchWorkItemFlags = [], 
-		execute work: @escaping @convention(block) () -> Void) 
+		group: DispatchGroup? = nil,
+		qos: DispatchQoS = .unspecified,
+		flags: DispatchWorkItemFlags = [],
+		execute work: @escaping @convention(block) () -> Void)
 	{
 		if group == nil && qos == .unspecified {
 			// Fast-path route for the most common API usage
@@ -226,9 +226,9 @@ public extension DispatchQueue {
 	}
 
 	private func _syncHelper<T>(
-		fn: (() -> ()) -> (), 
-		execute work: () throws -> T, 
-		rescue: ((Error) throws -> (T))) rethrows -> T 
+		fn: (() -> ()) -> (),
+		execute work: () throws -> T,
+		rescue: ((Error) throws -> (T))) rethrows -> T
 	{
 		var result: T?
 		var error: Error?
@@ -248,10 +248,10 @@ public extension DispatchQueue {
 
 	@available(OSX 10.10, iOS 8.0, *)
 	private func _syncHelper<T>(
-		fn: (DispatchWorkItem) -> (), 
+		fn: (DispatchWorkItem) -> (),
 		flags: DispatchWorkItemFlags,
 		execute work: () throws -> T,
-		rescue: ((Error) throws -> (T))) rethrows -> T 
+		rescue: ((Error) throws -> (T))) rethrows -> T
 	{
 		var result: T?
 		var error: Error?
@@ -259,7 +259,7 @@ public extension DispatchQueue {
 			do {
 				result = try work()
 			} catch let e {
-				error = e 
+				error = e
 			}
 		})
 		fn(workItem)
@@ -285,10 +285,10 @@ public extension DispatchQueue {
 	}
 
 	public func asyncAfter(
-		deadline: DispatchTime, 
-		qos: DispatchQoS = .unspecified, 
-		flags: DispatchWorkItemFlags = [], 
-		execute work: @escaping @convention(block) () -> Void) 
+		deadline: DispatchTime,
+		qos: DispatchQoS = .unspecified,
+		flags: DispatchWorkItemFlags = [],
+		execute work: @escaping @convention(block) () -> Void)
 	{
 		if #available(OSX 10.10, iOS 8.0, *), qos != .unspecified || !flags.isEmpty {
 			let item = DispatchWorkItem(qos: qos, flags: flags, block: work)
@@ -300,9 +300,9 @@ public extension DispatchQueue {
 
 	public func asyncAfter(
 		wallDeadline: DispatchWallTime,
-		qos: DispatchQoS = .unspecified, 
-		flags: DispatchWorkItemFlags = [], 
-		execute work: @escaping @convention(block) () -> Void) 
+		qos: DispatchQoS = .unspecified,
+		flags: DispatchWorkItemFlags = [],
+		execute work: @escaping @convention(block) () -> Void)
 	{
 		if #available(OSX 10.10, iOS 8.0, *), qos != .unspecified || !flags.isEmpty {
 			let item = DispatchWorkItem(qos: qos, flags: flags, block: work)

test/Driver/warnings-control.swift

@@ -7,9 +7,9 @@
 
 func foo() -> Int {
 	let x = 1
-	var y = 2 
-// DEFAULT:    warning: variable 'y' was never mutated; consider changing to 'let' constant 	
-// WERR:       error: variable 'y' was never mutated; consider changing to 'let' constant 	
+	var y = 2
+// DEFAULT:    warning: variable 'y' was never mutated; consider changing to 'let' constant
+// WERR:       error: variable 'y' was never mutated; consider changing to 'let' constant
 // NOWARN-NOT: variable 'y' was never mutated
 	return x + y
 }

test/FixCode/fixits-apply-all.swift

@@ -15,7 +15,7 @@ func foo() -> Int {
   }
 }
 func goo(_ e: Error) {
-	
+
 }
 
 @warn_unused_result(message="test message")

test/FixCode/fixits-apply-all.swift.result

@@ -15,7 +15,7 @@ func foo() -> Int {
   }
 }
 func goo(_ e: Error) {
-	
+
 }
 
 

test/IRGen/errors_optimized.sil

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -primary-file %s -O -emit-ir | %FileCheck %s 
+// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -primary-file %s -O -emit-ir | %FileCheck %s
 
 sil_stage canonical
 

test/IRGen/lowered_optional_self_metadata.sil

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -emit-ir %s 
+// RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -emit-ir %s
 sil_stage canonical
 
 import Swift

test/Interpreter/SDK/Reflection_KVO.swift

@@ -14,7 +14,7 @@ class ObservedValue: NSObject {
 class ValueObserver: NSObject {
 	private var observeContext = 0
 	let observedValue: ObservedValue
-	
+
 	init(value: ObservedValue) {
 		observedValue = value
 		super.init()
@@ -24,7 +24,7 @@ class ValueObserver: NSObject {
 	deinit {
 		observedValue.removeObserver(self, forKeyPath: "amount")
 	}
-	
+
 	override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
 		if context == &observeContext {
       if let change_ = change {

test/Misc/misc_diagnostics.swift

@@ -8,7 +8,7 @@ import CoreGraphics
 var roomName : String?
 
 if let realRoomName = roomName as! NSString { // expected-error {{initializer for conditional binding must have Optional type, not 'NSString'}} expected-warning {{cast from 'String?' to unrelated type 'NSString' always fails}}
-			
+
 }
 
 var pi = 3.14159265358979

test/SILOptimizer/existential_type_propagation.sil

@@ -222,7 +222,7 @@ sil @read_p : $@convention(thin) (@in P) -> ()
 sil @foo_witness : $@convention(witness_method) (@in_guaranteed X) -> Int64
 
 sil_witness_table hidden X: P module nix {
-  method #P.foo!1: @foo_witness	
+  method #P.foo!1: @foo_witness
 }
 
 

test/SILOptimizer/fold_enums.sil

@@ -54,7 +54,7 @@ bb0(%0 : $Optional<Int32>, %1 : $Int32):
 bb1(%3 : $Int32):
   debug_value %3 : $Int32
 
-  // The operand is not %3 (= the argument of this block).	
+  // The operand is not %3 (= the argument of this block).
   %5 = enum $Optional<Int32>, #Optional.some!enumelt.1, %1 : $Int32
   br bb3(%5 : $Optional<Int32>)
 

test/SILOptimizer/no_external_def_to_decl_for_transparent.sil

@@ -1,4 +1,4 @@
-// RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all %s -external-func-definition-elim | %FileCheck %s 
+// RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all %s -external-func-definition-elim | %FileCheck %s
 
 sil_stage canonical
 

test/SILOptimizer/redundant_load_elim.sil

@@ -1,4 +1,4 @@
-// RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all %s -redundant-load-elim | %FileCheck %s 
+// RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all %s -redundant-load-elim | %FileCheck %s
 
 import Builtin
 import Swift

test/stdlib/DispatchTypes.swift

@@ -18,7 +18,7 @@ _ = q.label
 if #available(OSX 10.10, iOS 8.0, *) {
 	_ = DispatchQueue.global(qos: .userInteractive)
 	_ = DispatchQueue.global(qos: .background)
-	_ = DispatchQueue.global(qos: .default)	
+	_ = DispatchQueue.global(qos: .default)
 }
 
 // dispatch/source.h

test/stdlib/POSIX.swift

@@ -93,11 +93,11 @@ POSIXTests.test("ioctl(CInt, UInt, CInt): fail") {
   let fd = open(fn, 0)
   expectEqual(-1, fd)
   expectEqual(ENOENT, errno)
-	
+
   // A simple check to verify that ioctl is available
   let _ = ioctl(fd, 0, 0)
   expectEqual(EBADF, errno)
-}   
+}
 
 #if os(Linux)
 // Successful creation of a socket and listing interfaces
@@ -122,7 +122,7 @@ POSIXTests.test("fcntl(CInt, CInt): fail") {
   let fd = open(fn, 0)
   expectEqual(-1, fd)
   expectEqual(ENOENT, errno)
-	
+
   let _ = fcntl(fd, F_GETFL)
   expectEqual(EBADF, errno)
 }
@@ -132,28 +132,28 @@ POSIXTests.test("fcntl(CInt, CInt): F_GETFL/F_SETFL success with file") {
   // Create and open file.
   let fd = open(fn, O_CREAT, 0o666)
   expectGT(Int(fd), 0)
-	
+
   var flags = fcntl(fd, F_GETFL)
   expectGE(Int(flags), 0)
-	
+
   // Change to APPEND mode...
   var rc = fcntl(fd, F_SETFL, O_APPEND)
   expectEqual(0, rc)
-	
+
   flags = fcntl(fd, F_GETFL)
   expectEqual(flags | O_APPEND, flags)
-	
+
   // Change back...
   rc = fcntl(fd, F_SETFL, 0)
   expectEqual(0, rc)
 
   flags = fcntl(fd, F_GETFL)
   expectGE(Int(flags), 0)
-	
+
   // Clean up...
   rc = close(fd)
   expectEqual(0, rc)
-	
+
   rc = unlink(fn)
   expectEqual(0, rc)
 }
@@ -162,24 +162,24 @@ POSIXTests.test("fcntl(CInt, CInt, CInt): block and unblocking sockets success")
   // Create socket, note: socket created by default in blocking mode...
   let sock = socket(PF_INET, 1, 0)
   expectGT(Int(sock), 0)
-	
+
   var flags = fcntl(sock, F_GETFL)
   expectGE(Int(flags), 0)
-	
+
   // Change mode of socket to non-blocking...
   var rc = fcntl(sock, F_SETFL, flags | O_NONBLOCK)
   expectEqual(0, rc)
-	
+
   flags = fcntl(sock, F_GETFL)
   expectEqual((flags | O_NONBLOCK), flags)
-	
+
   // Change back to blocking...
   rc = fcntl(sock, F_SETFL, flags & ~O_NONBLOCK)
   expectEqual(0, rc)
-	
+
   flags = fcntl(sock, F_GETFL)
   expectGE(Int(flags), 0)
-	
+
   // Clean up...
   rc = close(sock)
   expectEqual(0, rc)
@@ -189,35 +189,35 @@ POSIXTests.test("fcntl(CInt, CInt, UnsafeMutableRawPointer): locking and unlocki
   // Create the file and add data to it...
   var fd = open(fn, O_CREAT | O_WRONLY, 0o666)
   expectGT(Int(fd), 0)
-	
+
   let data = "Testing 1 2 3"
   let bytesWritten = write(fd, data, data.utf8.count)
   expectEqual(data.utf8.count, bytesWritten)
-	
+
   var rc = close(fd)
   expectEqual(0, rc)
-	
+
   // Re-open the file...
   fd = open(fn, 0)
   expectGT(Int(fd), 0)
-	
+
   // Lock for reading...
   var flck = flock()
   flck.l_type = Int16(F_RDLCK)
   flck.l_len = off_t(data.utf8.count)
   rc = fcntl(fd, F_SETLK, &flck)
   expectEqual(0, rc)
-	
+
   // Unlock for reading...
   flck = flock()
   flck.l_type = Int16(F_UNLCK)
   rc = fcntl(fd, F_SETLK, &flck)
   expectEqual(0, rc)
-	
+
   // Clean up...
   rc = close(fd)
   expectEqual(0, rc)
-	
+
   rc = unlink(fn)
   expectEqual(0, rc)
 }