| //===--- FlatMapDiagnostics.swift -----------------------------------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| // RUN: rm -rf %t && mkdir -p %t |
| // RUN: %gyb %s -o %t/FlatMapDiagnostics.swift |
| // RUN: %target-swift-frontend -typecheck -verify %t/FlatMapDiagnostics.swift |
| |
| |
| % for Type in [ |
| % 'Sequence', |
| % 'Collection', |
| % 'LazySequenceProtocol', |
| % 'LazyCollectionProtocol']: |
| |
| func testGeneric${Type}<T : ${Type}>(xs: T) { |
| _ = xs.flatMap { $0 } // expected-warning {{Please use map instead.}} |
| } |
| |
| % end |
| |
| func testArray(xs: [Int]) { |
| _ = xs.flatMap { $0 } // expected-warning {{Please use map instead.}} |
| _ = xs.lazy.flatMap { $0 } // expected-warning {{Please use map instead.}} |
| } |
| |
| func testGenericLazyBidirectionalCollection< |
| T : LazyCollectionProtocol & BidirectionalCollection |
| >(xs: T) where T.Elements : BidirectionalCollection { |
| _ = xs.flatMap { $0 } // expected-warning {{Please use map instead.}} |
| } |
| |
