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While I was updating the documentation, I noticed the method validator ignores empty/null values. This puzzled me because the udf validator does not ignore empty/null values. I always thought the udf and method validators were similar and could be used interchangeably if you required a more complex function that you wanted to break out from the constraints struct.

Should we allow null/empty strings to pass through to the method and let it decide what to do about null values? In 95% of my udf validators I check for a null/empty value and return true, so maybe the method validator is the one doing it correctly? I see arguments for both approaches so I'm not sure what the best way to proceed is, so I would love some feedback/suggestions.

Method Validator:
https://github.com/coldbox-modules/cbvalidation/blob/0a8dbe8355cfbd4e20db90d0c3be9b2f592b6a2f/models/validators/MethodValidator.cfc#L36-L44