1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// RUN: %empty-directory(%t)
// RUN: %target-run-simple-swift | %FileCheck %s
// REQUIRES: executable_test
struct A: ~Copyable {
let value: Int
init(_ value: Int) { self.value = value }
}
let expectedSize = MemoryLayout<Int>.size
let expectedStride = MemoryLayout<Int>.stride
let expectedAlignment = MemoryLayout<Int>.alignment
let actualSize1 = MemoryLayout<A>.size
// CHECK: size: true
print("size: \(actualSize1 == expectedSize)")
let actualStride1 = MemoryLayout<A>.stride
// CHECK: stride: true
print("stride: \(actualStride1 == expectedStride)")
let actualAlignment1 = MemoryLayout<A>.alignment
// CHECK: alignment: true
print("alignment: \(actualAlignment1 == expectedAlignment)")
let a = A(42)
let actualSize2 = MemoryLayout.size(ofValue: a)
// CHECK: size(ofValue:): true
print("size(ofValue:): \(actualSize2 == expectedSize)")
let actualStride2 = MemoryLayout.stride(ofValue: a)
// CHECK: stride(ofValue:): true
print("stride(ofValue:): \(actualStride2 == expectedStride)")
let actualAlignment2 = MemoryLayout.alignment(ofValue: a)
// CHECK: alignment(ofValue:): true
print("alignment(ofValue:): \(actualAlignment2 == expectedAlignment)")
|
