 func withUnsafeMutablePointerToElements&lt;R>(_ body: (UnsafeMutablePointer&lt;Element>) throws -> R) rethrows -> R</code></div></div><div id="withUnsafeMutablePointerToHeader-3118a8ff174de8fcbe78507dde76a5a5" class="declaration"><a class="toggle-link" href="#comment-withUnsafeMutablePointerToHeader-3118a8ff174de8fcbe78507dde76a5a5">func withUnsafeMutablePointerToHeader(_ body: (UnsafeMutablePointer&lt;Header>) throws -> R) rethrows -> R</a> <span class="required">Required</span><div class="comment collaps