| // RUN: %target-swift-frontend -typecheck %s -swift-version 4 |
| // RUN: %target-swift-frontend -typecheck -update-code -primary-file %s -emit-migrated-file-path %t.result -swift-version 4 |
| // RUN: diff -u %s.expected %t.result |
| |
| // REQUIRES: OS=macosx || OS=ios || OS=tvos || OS=watchos |
| |
| func migrate<T, U: Sequence, V: Collection>(lseq: LazySequence<T>, lcol: LazyCollection<T>, seq: U, col: V, test: Bool) { |
| _ = lseq.flatMap { test ? nil : $0 } |
| _ = lcol.flatMap { test ? nil : $0 } |
| _ = seq.flatMap { test ? nil : $0 } |
| _ = col.flatMap { test ? nil : "\($0)" } |
| |
| _ = lseq.flatMap { [$0, $0] } |
| _ = lcol.flatMap { [$0, $0] } |
| _ = seq.flatMap { [$0, $0] } |
| _ = col.flatMap { "\($0)" } |
| } |
