From 1e3f490b6dc6c0f6c35d50d4059bbe44802794eb Mon Sep 17 00:00:00 2001
From: Hwee-Boon Yar <hboon@motionobj.com>
Date: Thu, 14 Nov 2019 15:37:28 +0800
Subject: [PATCH] Make result of subscribe() discardable

---
 AlphaWallet/Foundation/Subscribable.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AlphaWallet/Foundation/Subscribable.swift b/AlphaWallet/Foundation/Subscribable.swift
index 51f8a781e..533379cba 100644
--- a/AlphaWallet/Foundation/Subscribable.swift
+++ b/AlphaWallet/Foundation/Subscribable.swift
@@ -34,7 +34,7 @@ open class Subscribable<T> {
         _value = value
     }
 
-    open func subscribe(_ subscribe: @escaping (T?) -> Void) -> SubscribableKey {
+    @discardableResult open func subscribe(_ subscribe: @escaping (T?) -> Void) -> SubscribableKey {
         if let value = _value {
             subscribe(value)
         }