From aa0591d2149b7bcb27eda22f956c395218632461 Mon Sep 17 00:00:00 2001
From: kaoru <kaorut@mc.pikara.ne.jp>
Date: Sun, 4 Jun 2023 00:44:16 +0900
Subject: [PATCH] Correct a IWYU warning #285

---
 library/lattice/cpp/src/tetengo.lattice.n_best_iterator.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/lattice/cpp/src/tetengo.lattice.n_best_iterator.cpp b/library/lattice/cpp/src/tetengo.lattice.n_best_iterator.cpp
index 840cf716..11a7d84f 100644
--- a/library/lattice/cpp/src/tetengo.lattice.n_best_iterator.cpp
+++ b/library/lattice/cpp/src/tetengo.lattice.n_best_iterator.cpp
@@ -17,6 +17,7 @@
 
 #include <boost/container_hash/hash.hpp>
 #include <boost/operators.hpp>
+#include <boost/type_traits/enable_if.hpp> // IWYU pragma: keep
 
 #include <tetengo/lattice/constraint.hpp>
 #include <tetengo/lattice/input.hpp>