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-rw-r--r--src/utils/automata/dfa_minimizer.hpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/utils/automata/dfa_minimizer.hpp b/src/utils/automata/dfa_minimizer.hpp
index 93acb83e..950635ac 100644
--- a/src/utils/automata/dfa_minimizer.hpp
+++ b/src/utils/automata/dfa_minimizer.hpp
@@ -15,6 +15,7 @@
#ifndef INCLUDED_SRC_UTILS_AUTOMATA_DFA_MINIMIZER_HPP
#define INCLUDED_SRC_UTILS_AUTOMATA_DFA_MINIMIZER_HPP
+#include <cstddef>
#include <map>
#include <regex>
#include <string>