From 279fd22ddfe44a9ddd6504134d1029f6b7649149 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Fri, 4 Oct 2019 13:31:33 -0700
Subject: [PATCH] Add Const::{begin,end,empty}()

---
 kernel/rtlil.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index c08653b65..e5b24cc02 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -609,8 +609,11 @@ struct RTLIL::Const
 	std::string decode_string() const;
 
 	inline int size() const { return bits.size(); }
+	inline bool empty() const { return bits.empty(); }
 	inline RTLIL::State &operator[](int index) { return bits.at(index); }
 	inline const RTLIL::State &operator[](int index) const { return bits.at(index); }
+	inline decltype(bits)::iterator begin() { return bits.begin(); }
+	inline decltype(bits)::iterator end() { return bits.end(); }
 
 	bool is_fully_zero() const;
 	bool is_fully_ones() const;