Correct a IWYU warning #285

kaorut · kaorut · commit aa0591d2149b · 2023-06-04T00:44:16.000+09:00
diff --git 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>
