COW2LLVM: The isKnownUniquelyReferenced Deep-Dive

<p>The copy-on-write (a.k.a. CoW or ) optimisation is the quintessential under-the-hood interview question for iOS engineers.</p> <p>Today, we&rsquo;re going on a quest to discover how this optimisation&nbsp;<strong>really&nbsp;</strong>works. I&rsquo;m taking you on a journey deep into the enigmatic source code of the Swift compiler.</p> <blockquote> <p>And, of course, I&rsquo;m going to be referring to copy-on-write as &nbsp;throughout.</p> </blockquote> <p><a href="https://betterprogramming.pub/cow2llvm-the-isknownuniquelyreferenced-deep-dive-7ea21d3b0399"><strong>Click Here</strong></a></p>