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When I write (map (lambda (var) map-expr) (filter (lambda (var) filter-expr) lst)), it raises SchemeError: unknown identifier: x
I can't search the scheme syntax like correct code in internet.
The text was updated successfully, but these errors were encountered:
When I write
(map (lambda (var) map-expr) (filter (lambda (var) filter-expr) lst))
, it raises SchemeError: unknown identifier: xI can't search the scheme syntax like correct code in internet.
The text was updated successfully, but these errors were encountered: