Added cabal and vim dir

cabal/share/x86_64-osx-ghc-7.8.4/husk-scheme-3.19/lib/srfi/srfi-2.scm

@@ -0,0 +1,35 @@
+;;;
+;;; husk-scheme
+;;; http://justinethier.github.com/husk-scheme
+;;;
+;;; Implementation of SRFI-2: and-let*
+;;;
+(define-syntax and-let*
+  (syntax-rules ()
+    ; Special case
+    ((and-let* ())
+     #t)
+    ; No CLAWS, just body
+    ((and-let* () body ...)
+     (begin body ...))
+    ; Special cases of below - CLAWS with no body
+    ((and-let* ((var expr)) )
+     (let ((var expr))
+       (and var)))
+    ((and-let* ((expr)))
+     (let ((tmp expr))
+       (and tmp )))
+    ((and-let* (expr))
+     (let ((tmp expr))
+       (and tmp )))
+    ; General case - CLAWS and body
+    ((and-let* ((var expr) . rest) . body)
+     (let ((var expr))
+       (and var (and-let* rest . body))))
+    ((and-let* ((expr) . rest) . body)
+     (let ((tmp expr))
+       (and tmp (and-let* rest . body))))
+    ((and-let* (expr . rest) . body)
+     (let ((tmp expr))
+       (and tmp (and-let* rest . body))))))
+