search for: r_compact_intseq_class

For now you can use R_altrep_inherits(x, R_compact_intseq_class) The variable R_compact_intseq_class should currently be visible to packages on all platforms, though that may change if we eventually provide a string-based lookup mechanism, e.g. somehting like R_find_altrep_class("compact_intseq", "base") Best, luke On Tue, 4 Jun 2019,...

Hi Gabriel, thanks for your detailed explanation, that definitely clarifies the design choices that were made in setting up the ALTREP framework and I can see how those choices make sure existing code won't break. My specific use-case for wanting to check whether a vector is an ALTREP is the following: the fst package wraps an external C++ library (fstlib, independent from R) that was made