Data commit

Task/Function-prototype/Racket/function-prototype-1.rkt

@@ -0,0 +1,11 @@
+#lang racket
+
+(define (no-arg) (void))
+
+(define (two-args a b) (void)) ;arguments are always named
+
+(define (varargs . args) (void)) ;the extra arguments are stored in a list
+
+(define (varargs2 a . args) (void)) ;one obligatory argument and the rest are contained in the list
+
+(define (optional-arg (a 5)) (void)) ;a defaults to 5

Task/Function-prototype/Racket/function-prototype-2.rkt

@@ -0,0 +1,2 @@
+(provide (contract-out
+          [two-args (integer? integer? . -> . any)]))

Task/Function-prototype/Racket/function-prototype-3.rkt

@@ -0,0 +1,4 @@
+#lang typed/racket
+
+(: two-args (Integer Integer -> Any))
+(define (two-args a b) (void))