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  • $\begingroup$ This, of course would be magnificent to use, but I have to rely on vanilla Mathematica at a client's end, thus I have to work with what's in the box. $\endgroup$ Commented Mar 2, 2021 at 8:45
  • $\begingroup$ @IstvánZachar Well, most of Streaming is in the vanilla Mathematica :). But of course, you are right. Being undocumented, it can't be relied upon in terms of future backward compatibility. Unfortunately, Streaming has been on hold for the last 5 years. There is some hope though, that Streaming will become a first-class citizen in Mathematica in the foreseeable future. $\endgroup$ Commented Mar 2, 2021 at 10:57
  • $\begingroup$ @IstvánZachar OTOH, what I certainly should be able to do would be to incorporate all the above extensions and patches into Streaming, so that e.g. in 12.3 or may be 12.4 it would not require any extra code / patches to run the examples like those in the post. Of course, that does not solve the main problem of it being undocumented and unofficial. $\endgroup$ Commented Mar 2, 2021 at 11:01
  • $\begingroup$ It would be nice to add a SeedRandom call when defining a sample. $\endgroup$ Commented Mar 2, 2021 at 19:07
  • $\begingroup$ @CarlWoll You are right, I should've done just that. I have instead shown the output for lists, which can be copied, but of course SeedRandom is the way. I might later edit that in, would have to recompute / edit all the timings etc. then. B.t.w., your version of lazy tuples is amazingly fast, it can pretty much compete with the internal implementation. Hats off. $\endgroup$ Commented Mar 2, 2021 at 20:07