As stated above, what is the underlying data structure of a lazy sequence ? Is it a list ? If it is, then what kind of list is it ? Where can I find references about this ?
Clojure: What is the underlying data structure of a lazy sequence?
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The data structure is a
clojure.lang.Lazyseq, defined here. Thelazy-seqmacro creates such.As you can see, a
LazySeqis essentially a linked list which starts life with a thunk (zero-parameter function) memberfn. When the sequence is realized,fnis used to generate data membersorsvand is itself annulled. I can't quite figure out howsandsvrelate to one another.