| 12345678910111213141516 |
- (define-module (pipeline)
- #:use-module (rnrs base)
- #:export (->))
- (define-syntax ->
- (syntax-rules ()
- ;; first expression is left unchanged
- [(-> expr) expr]
- ;; take from the back, wrap other calls
- [(-> expr* ... (op args* ...))
- (op args* ... (-> expr* ...))]
- ;; make parens unnecessary in trivial case of no further arguments
- [(-> expr* ... op)
- (op (-> expr* ...))]))
|
