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[scheme.forth.jl.git]
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src
/
scheme-library-5-lists.scm
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;; LISTS
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; Return number of items in list
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(define (length l)
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(define (iter a count)
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(if (null? a)
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count
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(iter (cdr a) (fix:+ count 1))))
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(iter l 0))
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; Reverse the contents of a list
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(define (reverse l)
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(if (null? l)
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()
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(append (reverse (cdr l)) (list (car l)))))
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