it felt very confusing to use write as println

core/vm.go

@@ -347,7 +347,7 @@ type Call struct {
 }
 
 var DefaultGlobals = map[string]Value{
-	"write": &BuiltinFunctionValue{
+	"println": &BuiltinFunctionValue{
 		"write", // always remember where you come from...
 		&FunctionSignature{
 			[]TypeSignature{&AnySignature{}},

era3.ang

@@ -1,6 +1,6 @@
 
 fn double(a: int) -> int {
-    2*a
+    return 2*a
 }
 
 println(double(2) == 4)

tests/recursive_fib.ang

@@ -29,4 +29,4 @@ while x < fibonacci_numbers.length() {
     x = x + 1
 }
 
-write("")
+println("")