reordered Function struct to save on padding space

fun/type.go

@@ -36,13 +36,13 @@ var ftypeS = [...]string{
 }
 
 type Function struct {
-	ftype   funcType
 	builtin Builtin   // for builtins only, obviously
-	name    string    // function/macro name
 	fi      *FormInfo // nil for a Builtin
 	minargs int
 	maxargs int
 	doc     string
+	name    string // function/macro name
+	ftype   funcType
 	special bool // for macros (always special) and builtins
 	trace   bool
 }
@@ -434,7 +434,7 @@ func makeForm(name string, arglAndBody lob.Object, ftype funcType) *Function {
 	formInfo.bodyForms = MacroExpandBody(bodyForms)
 	formInfo.env = lob.Env
 	return &Function{
-		ftype, nil, name, formInfo, minargs, maxargs, docString,
+		nil, formInfo, minargs, maxargs, docString, name, ftype,
 		ftype == MACRO, false,
 	}
 }
@@ -449,8 +449,8 @@ func Init_funtype() {
 	for _, bd := range allBuiltins {
 		builtinCounter++
 		sym := lob.Intern(bd.name)
-		f := &Function{BUILTIN, bd.function, bd.name, nil,
-			bd.minargs, bd.maxargs, strings.TrimSpace(bd.doc),
+		f := &Function{bd.function, nil, bd.minargs, bd.maxargs,
+			strings.TrimSpace(bd.doc), bd.name, BUILTIN,
 			bd.isspecial, false}
 		sym.SetFunction(f)
 		sym.PutProp(lob.FuncDefinedIn, lob.NewString(bd.source))