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@frozen public struct Array<Element> {

This is the declaration of Array in swift. struct in swift is thread-safety, Array is struct, why Array is not thread-safety?

First, I declare a struct.

struct MyStruct {
    var testArray: [Int] = [1]
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Then, I write a concurrent test, It crashed when running

var test = MyStruct ()
DispatchQueue.concurrentPerform(iterations: 500) { index in
    test.testArray.append (100) //Thread 14: EXC_BAD_ACCESS (code=1, a...
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Improve this question
2
  • 1
    Possibly helpful: stackoverflow.com/q/75459511/1187415 Commented Oct 9, 2024 at 7:32
  • 3
    "struct in swift is thread-safety" is generally not true. Where did you read that from? Commented Oct 9, 2024 at 7:52
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