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| futile.any-package | Futile library to provide some polymorphism |
| anylength | Get the generic length of an object |
| anynames | Get the useful names of a data structure |
| anynames<- | Get the useful names of a data structure |
| anytypes | Get the useful types of a data structure |
| futile.any | Futile library to provide some polymorphism |
| is.bad | Check whether data is bad or empty |
| is.empty | Check whether data is bad or empty |