From 10bd1ee8237ca9ec25ade471c4705d5510da47f3 Mon Sep 17 00:00:00 2001
From: Noah Metz <noah@metznet.ca>
Date: Mon, 26 Jun 2023 22:06:09 -0600
Subject: [PATCH] Change BaseSignal.String() to use json.Marshal

---
 graph.go | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/graph.go b/graph.go
index edf0e97..7db6e47 100644
--- a/graph.go
+++ b/graph.go
@@ -118,9 +118,17 @@ type GraphSignal interface {
 
 // BaseSignal is the most basic type of signal, it has no additional data
 type BaseSignal struct {
-  direction SignalDirection
-  source NodeID
-  _type string
+  direction SignalDirection `json:"direction"`
+  source NodeID `json:"source"`
+  _type string `json:"type"`
+}
+
+func (state BaseSignal) String() string {
+  ser, err := json.Marshal(state)
+  if err != nil {
+    return "STATE_SER_ERR"
+  }
+  return string(ser)
 }
 
 func (signal BaseSignal) Direction() SignalDirection {
@@ -135,10 +143,6 @@ func (signal BaseSignal) Type() string {
   return signal._type
 }
 
-func (signal BaseSignal) String() string {
-  return fmt.Sprintf("{direction: %d, source: %s, type: %s}", signal.direction, signal.source, signal._type)
-}
-
 func NewBaseSignal(source GraphNode, _type string, direction SignalDirection) BaseSignal {
   var source_id NodeID = ""
   if source != nil {