===== NSValue =====
An NSValue object is a simple container for a single C or Objective-C data item.\\
[[objective-c:foundation.framework:nsvalue.h:valueWithCGPoint|valueWithCGPoint]]\\
[[objective-c:foundation.framework:nsvalue.h:valueWithCGRect|valueWithCGRect]]\\
[[objective-c:foundation.framework:nsvalue.h:valueWithCGSize|valueWithCGSize]]\\