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A Question about Exercise 16.28 which implemented a simplified shared_ptr #181

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CedricXing opened this issue Jan 3, 2020 · 0 comments
Open

A Question about Exercise 16.28 which implemented a simplified shared_ptr #181

CedricXing opened this issue Jan 3, 2020 · 0 comments

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@CedricXing
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Exercise information

I am confused why the move constructor was declared to have a const shared_ptr&& parameter.
I don't think it can pass the compilation since the value is passed to a shared_ptr& signature function swap .
Could anyone kindly explain whether it was a mistake or I misunderstood?
Thanks!

Your enviroment information

  • System: MacOS
  • Compiler version/IDE: Clang 11.0.0
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