(define-library (srfi 117) (import (scheme base) (scheme case-lambda)) (export make-list-queue list-queue list-queue-copy list-queue-unfold list-queue-unfold-right) (export list-queue? list-queue-empty?) (export list-queue-front list-queue-back list-queue-list list-queue-first-last) (export list-queue-add-front! list-queue-add-back! list-queue-remove-front! list-queue-remove-back!) (export list-queue-remove-all! list-queue-set-list!) (export list-queue-append list-queue-append! list-queue-concatenate) (export list-queue-append list-queue-append! list-queue-concatenate) (export list-queue-map list-queue-map! list-queue-for-each) (include "list-queues/list-queues-impl.scm") )