Mathematica provides several mechanisms for checking arguments and trapping errors in a function definition. Typical methods are : Definitions with argument patterns, definitions with ...
On the surface, Check looks like a good method to use when you need to abort the evaluation of an expression whenever a Message ...
There is good explanation available for error handling on this and similar links. Here there is information on handling inappropriate input arguments and handling unprocessed functions using ...
I have read the docs for Catch, Throw, and friends multiple times, and I confess that I find them utterly incomprehensible... ...