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+(module (algebraic-structures private list zip applicative) ()
+ (import scheme
+ (rename (only (srfi 1) fold reduce)
+ (fold srfi:fold)
+ (reduce srfi:reduce))
+ (only (chicken base) assert)
+ (chicken module))
+ (export pure map2)
+ (reexport (algebraic-structures list functor))
+
+ (define (pure x) (list x))
+
+ (define (map2 f xs ys)
+ (map f xs ys)))