NewRegistry returns a new Registry using the given nowSource.

Validate validates the fields of a struct based on 'validator' tags and returns errors found indexed by the field name.

ErrInvalidIntID is the error returned when a string is not a valid integer ID.

ErrInvalidURL is the error returned when a string cannot be parsed as a request URI.

ErrInvalidUUID4 is the error returned when a string cannot be parsed as a UUID4.

Registry is a registry of all available validation functions.

ErrorArray is a slice of errors returned by the Validate function.

ErrorMap is a map which contains all errors from validating a struct.