Try the master development snapshot. The changes have not been merged to swift-4.1-branch.
Slava > On Dec 2, 2017, at 12:34 PM, Cao, Jiannan via swift-dev <swift-dev@swift.org> > wrote: > > I used the swift-4.1-DEVELOPMENT-SNAPSHOT-2017-11-30-a-osx to test: > > Welcome to Apple Swift version 4.1-dev (LLVM 05fee6ff60, Clang f0e38d2044, > Swift a1441d34f7). Type :help for assistance. > 1> [[1]] == [[1]] > error: repl.swift:1:7: error: binary operator '==' cannot be applied to two > '[[Int]]' operands > [[1]] == [[1]] > ~~~~~ ^ ~~~~~ > > repl.swift:1:7: note: overloads for '==' exist with these partially matching > parameter lists: (Any.Type?, Any.Type?), ((), ()), (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) > [[1]] == [[1]] > ^ > > _______________________________________________ > swift-dev mailing list > swift-dev@swift.org > https://lists.swift.org/mailman/listinfo/swift-dev
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