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 ...
I have read the docs for Catch, Throw, and friends multiple times, and I confess that I find them utterly incomprehensible... ...
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 ...