From f6fb251d9800a1a778f0863b72479646bdc8d439 Mon Sep 17 00:00:00 2001
From: 0xFEEDC0DE64 <daniel@brunner.ninja>
Date: Fri, 29 Jan 2021 15:54:18 +0100
Subject: [PATCH] Added is_in

---
 esputils.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/esputils.h b/esputils.h
index ab97b49..0517768 100644
--- a/esputils.h
+++ b/esputils.h
@@ -220,5 +220,12 @@ struct EspOverload : EspConstOverload<Args...>, EspNonConstOverload<Args...>
 template <typename... Args> constexpr __attribute__((__unused__)) EspOverload<Args...> espOverload = {};
 template <typename... Args> constexpr __attribute__((__unused__)) EspConstOverload<Args...> espConstOverload = {};
 template <typename... Args> constexpr __attribute__((__unused__)) EspNonConstOverload<Args...> espNonConstOverload = {};
+
+template<typename First, typename ... T>
+bool is_in(First &&first, T && ... t)
+{
+    return ((first == t) || ...);
+}
+
 } // namespace
 } // namespace espcpputils