- sparse-vector-map SPARSE-VECTOR FUNC #!optional SKIP?procedure
When SKIP? is #t unbound elements are skipped, otherwise the FUNC is treated to all elements; an implementation detail.
- FUNC ; (INDEX VALUE -> T') ; element function.
- T' ; defined-type ; type-of the SEED & ACC.
- INDEX ; uinteger ; integer in [0 ...).
- VALUE ; * ; but not DEFAULT.
- SKIP? ; boolean ; skip unbound?
An O(n) operation, where n is total-count.