1 files changed, 7 insertions, 0 deletions
diff --git a/char.lisp b/char.lisp
new file mode 100644
index 0000000..8d1f21c
--- /dev/null
+++ b/char.lisp
@@ -0,0 +1,7 @@
+(in-package #:char)
+
+(defun whitespace? (x)
+  (some (lambda (y) (char= x y)) '(#\Space #\Newline #\Tab)))
+
+(defun visible? (x)
+  (char/= x #\Space #\Newline #\Tab))