These functions are provided for backwards-compatibility and
may be defunct as soon as the next release.
Usage
empty(x)# S3 method for class 'Container'empty(x)size(x)# S3 method for class 'Container'size(x)sortkey(x, decr =FALSE)# S3 method for class 'Dict'sortkey(x, decr =FALSE)values(x)# S3 method for class 'Container'values(x)# S3 method for class 'dict.table'values(x)keys(x)