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Jay Glascoe <jglascoe@jay.giss.nasa.gov> writes: > what do the STk hash tables look like? Are they vectors and pairs > of basic Scheme types or are they opaque and implemented as C structures? > Can you write procedures in Scheme to operate on the internals of the hash > table? Can you "read" and "write" them to/from a file? They use the TCL hash tables. They're opaque from scheme but they probably could be modified to be more transparent. You can read them & write them to/from files using, e.g. hash-table->list, which requires rehashing. Other than that, I'm not so familiar with the internals - I haven't read the code carefully. -- Harvey J. Stein BFM Financial Research hjstein@bfr.co.il