DereferenceAndNilCheck is used to get the base type and ensure it's not nil.

MustRegisterValidator sets the callback for a validator.

NewCallbackResult instantiates a CallbackResult.

NewViolation instantiates a *Violation.

NewViolations instantiates a *Violations struct.

Struct validates all struct fields using their validation tags, returning an error if any fail.

Var validates a single variable with the given instructions, returning an error if it fails.

NameAndInstructionsSep is the separator between the validation name and the instructions.

Tag is the name of the struct field tag.

ValidatorsSep is the separator between validation names.

CallbackParameters are the parameters sent to the validation callback.

CallbackResult instructs the validation on how to proceed after the validator is complete.

Violation represents a failure for a specific validator.

Violations represents a list of violations.

Callback checks a value against the instructions for the validator.

Validator is the name of a validate rule.