AssignValue assigns the value to the field.

HookTimeDuration for time.Duration.

TagValue returns the value of the tag in the field in order of the tags.

TagValueM returns the value of the tag in the field in order of the tags.

WithHooks sets the hooks for conversion.

WithLogger sets the logger for logging.

WithMapDecoder sets the decoder for conversion between map and struct.

WithName sets the name for loader.

WithTag sets the tag name for struct field.

HookFunc get input, output and data and return modified data.