1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index d3ad57d72..f4fcf5dcf 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -276,6 +276,12 @@ namespace RTLIL
 				return std::string(c_str() + pos, len);
 		}
 
+		bool begins_with(const char* prefix) const {
+			size_t len = strlen(prefix);
+			if (size() < len) return false;
+			return substr(0, len) == prefix;
+		}
+
 		bool ends_with(const char* suffix) const {
 			size_t len = strlen(suffix);
 			if (size() < len) return false;