<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Try the master development snapshot. The changes have not been merged to swift-4.1-branch.<div class=""><br class=""></div><div class="">Slava<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Dec 2, 2017, at 12:34 PM, Cao, Jiannan via swift-dev <<a href="mailto:swift-dev@swift.org" class="">swift-dev@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">I used the swift-4.1-DEVELOPMENT-SNAPSHOT-2017-11-30-a-osx to test:</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">Welcome to Apple Swift version 4.1-dev (LLVM 05fee6ff60, Clang f0e38d2044, Swift a1441d34f7). Type :help for assistance.</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures; color: rgba(169, 169, 169, 0.88)" class=""> 1> </span><span style="font-variant-ligatures: no-common-ligatures" class="">[[1]] == [[1]]</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">error: repl.swift:1:7: error: binary operator '==' cannot be applied to two '[[Int]]' operands</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">[[1]] == [[1]]</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">~~~~~ ^ ~~~~~</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8); min-height: 13px;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""></span><br class=""></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">repl.swift:1:7: note: overloads for '==' exist with these partially matching parameter lists: (Any.Type?, Any.Type?), ((), ())</span>, (Bool, Bool), (Character, Character), (Character.UnicodeScalarView.Index, Character.UnicodeScalarView.Index), (CodingUserInfoKey, CodingUserInfoKey), (OpaquePointer, OpaquePointer), (AnyHashable, AnyHashable), (UInt8, UInt8), (Int8, Int8), (UInt16, UInt16), (Int16, Int16), (UInt32, UInt32), (Int32, Int32), (UInt64, UInt64), (Int64, Int64), (UInt, UInt), (Int, Int), (AnyKeyPath, AnyKeyPath), (Unicode.Scalar, Unicode.Scalar), (ObjectIdentifier, ObjectIdentifier), (String, String), (String.Index, String.Index), (UnsafeMutableRawPointer, UnsafeMutableRawPointer), (UnsafeRawPointer, UnsafeRawPointer), (UnicodeDecodingResult, UnicodeDecodingResult), (_SwiftNSOperatingSystemVersion, _SwiftNSOperatingSystemVersion), (AnyIndex, AnyIndex), (ContiguousArray<Element>, ContiguousArray<Element>), (ArraySlice<Element>, ArraySlice<Element>), (T?, T?), (T?, _OptionalNilComparisonType), (_OptionalNilComparisonType, T?), ((A, B), (A, B)), ((A, B, C), (A, B, C)), ((A, B, C, D), (A, B, C, D)), ((A, B, C, D, E), (A, B, C, D, E)), ((A, B, C, D, E, F), (A, B, C, D, E, F)), (AutoreleasingUnsafeMutablePointer<Pointee>, AutoreleasingUnsafeMutablePointer<Pointee>), (ClosedRangeIndex<Bound>, ClosedRangeIndex<Bound>), (DoubleWidth<Base>, DoubleWidth<Base>), (DoubleWidth<Base>.Words.Index, DoubleWidth<Base>.Words.Index), (LazyDropWhileIndex<Base>, LazyDropWhileIndex<Base>), (EmptyCollection<Element>, EmptyCollection<Element>), (FlattenCollectionIndex<BaseElements>, FlattenCollectionIndex<BaseElements>), (FlattenBidirectionalCollectionIndex<BaseElements>, FlattenBidirectionalCollectionIndex<BaseElements>), (Set<Element>, Set<Element>), (Dictionary<Key, Value>.Keys, Dictionary<Key, Value>.Keys), ([Key : Value], [Key : Value]), (Set<Element>.Index, Set<Element>.Index), (Dictionary<Key, Value>.Index, Dictionary<Key, Value>.Index), (ManagedBufferPointer<Header, Element>, ManagedBufferPointer<Header, Element>), (LazyPrefixWhileIndex<Base>, LazyPrefixWhileIndex<Base>), (Range<Bound>, Range<Bound>), (CountableRange<Bound>, CountableRange<Bound>), (ClosedRange<Bound>, ClosedRange<Bound>), (CountableClosedRange<Bound>, CountableClosedRange<Bound>), (ReversedIndex<Base>, ReversedIndex<Base>), (ReversedRandomAccessIndex<Base>, ReversedRandomAccessIndex<Base>), (_UIntBuffer<Storage, Element>.Index, _UIntBuffer<Storage, Element>.Index), (UnsafeMutablePointer<Pointee>, UnsafeMutablePointer<Pointee>), (UnsafePointer<Pointee>, UnsafePointer<Pointee>), (_ValidUTF8Buffer<Storage>.Index, _ValidUTF8Buffer<Storage>.Index), (Self, Other), (Self, R)</div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">[[1]] == [[1]]</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgba(255, 255, 255, 0.8);" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> ^</span></div><div class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div></div>_______________________________________________<br class="">swift-dev mailing list<br class=""><a href="mailto:swift-dev@swift.org" class="">swift-dev@swift.org</a><br class="">https://lists.swift.org/mailman/listinfo/swift-dev<br class=""></div></blockquote></div><br class=""></div></body></html>