Tuesday, January 24, 2006

I'd rather throw an exception

Why throw exceptions? (as opposed to using error codes)
When to throw an exception.
When not to throw an exception.

Any condition that prevents a method/function from completing its designed objective should result in an exception being thrown. These conditions can arise from invalid input data (a precondition error) or a failure to generate valid output data (return values, class invariants, etc).

For a more complete explanation read: