Merge pull request #69 from herwinw/hello_world

Updated hello-world exercise

Author: benreyn

exercises/hello-world/example.scm

@@ -1,7 +1,4 @@
 (define-module (hello-world)
   #:export (hello))
 
-(define hello
-  (lambda* (#:optional name)
-    (let ((target (or name "World")))
-      (string-concatenate (list "Hello, " target "!")))))
+(define (hello) "Hello, World!")

exercises/hello-world/hello-world-test.scm

@@ -10,12 +10,8 @@
 
 (test-begin "hello-world")
 
-(test-assert "Called with no args returns hello world"
+(test-assert "Say Hi!"
              (equal? (hello)
                      "Hello, World!"))
 
-(test-assert "Called with an arg returns hello arg"
-             (equal? (hello "exercism")
-                     "Hello, exercism!"))
-
 (test-end "hello-world")