Webel: SysML4Mathematica: An '@*~' prefix in a @pseudo function (OpaqueBehavior or Activity) represents a cast from any expression to a Type. Example: '@*~OpenerView' casts from any expression to an OpenerView. '@Type~' casts from a specific Type.
The Webel ‘$’ prefix convention for Strings and "String similar" Wolfram Language code Gallery Tutorial [TECHNICAL SLIDE TRAIL] The Webel libraries for Wolfram Mathematica: With SysMLv1 models. Section SECTION: Webel coding and naming conventions for the Wolfram Language
