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- (define (string<? x y)
- (< (string-cmp x y) 0))
-
- (define (string>? x y)
- (> (string-cmp x y) 0))
-
- (define (string=? x y)
- (= (string-cmp x y) 0))
-
- (define (string<=? x y)
- (<= (string-cmp x y) 0))
-
- (define (string>=? x y)
- (>= (string-cmp x y) 0))
-
- (define (string-CI<? x y)
- (< (string-cmp-CI x y) 0))
-
- (define (string-CI=? x y)
- (= (string-cmp-CI x y) 0))
-
- (define (string-null? x)
- (= (string-cmp x "") 0))
-
-