| // RUN: %empty-directory(%t) |
| // RUN: %target-build-swift %s -module-name=a -o %t/a.out |
| // RUN: %target-run %t/a.out | %FileCheck %s |
| |
| // REQUIRES: executable_test |
| |
| @propertyWrapper struct D<Value> { |
| var wrappedValue: Value { |
| didSet { |
| print("set: \(wrappedValue)") |
| } |
| } |
| |
| init(wrappedValue: Value) { |
| self.wrappedValue = wrappedValue |
| print("init: \(wrappedValue)") |
| } |
| |
| } |
| |
| struct S<T> { |
| @D var a: (Int,Int) |
| @D var b: (T,T) |
| @D var c: (Int,(Int, Bool)) |
| @D var d: (T,Int) |
| @D var e: (Int,(T, Bool)) |
| |
| init(_ t: T) { |
| // CHECK: init: (27, 28) |
| a = (27, 28) |
| // CHECK: init: (a.X, a.X) |
| b = (t, t) |
| // CHECK: init: (27, (28, true)) |
| c = (27, (28, true)) |
| // CHECK: init: (a.X, 27) |
| d = (t, 27) |
| // CHECK: init: (27, (a.X, true)) |
| e = (27, (t, true)) |
| // CHECK: set: (27, 28) |
| a = (27, 28) |
| // CHECK: set: (a.X, a.X) |
| b = (t, t) |
| // CHECK: set: (27, (28, true)) |
| c = (27, (28, true)) |
| // CHECK: set: (a.X, 27) |
| d = (t, 27) |
| // CHECK: set: (27, (a.X, true)) |
| e = (27, (t, true)) |
| } |
| |
| } |
| |
| class X { |
| |
| |
| static var numInstances = 0 |
| |
| init() { |
| X.numInstances += 1 |
| } |
| |
| deinit { |
| X.numInstances -= 1 |
| } |
| } |
| |
| func test() { |
| _ = S(X()) |
| } |
| |
| test() |
| |
| // CHECK: num instances of X: 0 |
| print("num instances of X: \(X.numInstances)") |
