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fold-right

reduces a sequence from right to left

Usage: (fold-right func val? seq) (fold-right! func val? seq)

These forms reduce a sequence from right to left. fold-right uses reverse, while fold-right! uses reverse! and can therefore work with non-reversible sequences by materializing them first. foldr is an alias for fold-right.

An Example

(fold-right cons '() [1 2 3])