Initial data commit

Task/Named-parameters/Icon/named-parameters.icon

@@ -0,0 +1,20 @@
+procedure main()
+   testproc("x:=",1,"y:=",2,"z:=",3)
+   testproc("x:=",3,"y:=",1,"z:=",2)
+   testproc("z:=",4,"x:=",2,"y:=",3)
+   testproc("i:=",1,"y:=",2,"z:=",3)
+end
+
+procedure testproc(A[])   #: demo to test named parameters
+   write("Calling testproc")
+
+   while a := get(A) do               # implement named parameters here
+      (( a ? (v := =!["x","y","z"], =":=")  |   #  valid parameter name?
+         stop("No parameter ",a)) &             #  . . no
+            ((variable(a[1:-2]) := get(A))  |   #  assign
+               runerr(205,a)))                  #  . . problem
+
+   write("   x:=",x)
+   write("   y:=",y)
+   write("   z:=",z)
+end