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result_location_interfering_with_swap.zig (411B) - Raw

      1 const expect = @import("std").testing.expect;
      2 test "attempt to swap array elements with array initializer" {
      3     var arr: [2]u32 = .{ 1, 2 };
      4     arr = .{ arr[1], arr[0] };
      5     // The previous line is equivalent to the following two lines:
      6     //   arr[0] = arr[1];
      7     //   arr[1] = arr[0];
      8     // So this fails!
      9     try expect(arr[0] == 2); // succeeds
     10     try expect(arr[1] == 1); // fails
     11 }
     12 
     13 // test_error=