Everything is a closure

code/code.go

@@ -38,6 +38,7 @@ const (
 	OpGetLocal
 	OpSetLocal
 	OpGetBuiltin
+	OpClosure
 )
 
 type Definition struct {
@@ -73,6 +74,7 @@ var definitions = map[Opcode]*Definition{
 	OpGetLocal:      {"OpGetLocal", []int{1}},
 	OpSetLocal:      {"OpSetLocal", []int{1}},
 	OpGetBuiltin:    {"OpGetBuiltin", []int{1}},
+	OpClosure:       {"OpClosure", []int{2, 1}},
 }
 
 func Lookup(op byte) (*Definition, error) {
@@ -146,6 +148,9 @@ func (ins Instructions) fmtInstruction(def *Definition, operands []int) string {
 		return def.Name
 	case 1:
 		return fmt.Sprintf("%s %d", def.Name, operands[0])
+	case 2:
+		return fmt.Sprintf("%s %d %d", def.Name, operands[0], operands[1])
+
 	}
 
 	return fmt.Sprintf("ERROR: unhandled operandCount for %s\n", def.Name)