refactor: improve includes

4 files changed, 23 insertions, 4 deletions

diff --git a/include/yacppdic/detail/internal/object_identifier.hpp b/include/yacppdic/detail/internal/object_identifier.hpp
index a97ebd2..4132090 100644
--- a/include/yacppdic/detail/internal/object_identifier.hpp
+++ b/include/yacppdic/detail/internal/object_identifier.hpp
@@ -1,10 +1,11 @@
 #pragma once
 
-#include "yacppdic/tagging.hpp"
-
+#include <cstddef>
 #include <string_view>
 #include <typeinfo>
 
+#include "yacppdic/tagging.hpp"
+
 namespace yacppdic::internal
 {
 
diff --git a/include/yacppdic/tagging.hpp b/include/yacppdic/tagging.hpp
index 498ff5d..2ecbabe 100644
--- a/include/yacppdic/tagging.hpp
+++ b/include/yacppdic/tagging.hpp
@@ -4,6 +4,7 @@
 #include <array>
 #include <cstddef>
 #include <string_view>
+#include <type_traits>
 #include <utility>
 
 namespace yacppdic
diff --git a/scripts/lint-includes.sh b/scripts/lint-includes.sh
new file mode 100755
index 0000000..4248a80
--- /dev/null
+++ b/scripts/lint-includes.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# See https://github.com/include-what-you-use/include-what-you-use
+
+iwyu_tool.py \
+	--jobs 16 \
+	-p build \
+	src \
+	include \
+	-- \
+	-Xiwyu --cxx17ns \
+	-Xiwyu --check_also='*.hpp' \
+| fix_includes.py \
+	--blank_lines \
+	--reorder \
+	--nocomments
+
+# -Xiwyu --mapping_file=$PWD/mappings.imp \
+
diff --git a/src/object_identifier.cpp b/src/object_identifier.cpp
index 1144df7..a3fef45 100644
--- a/src/object_identifier.cpp
+++ b/src/object_identifier.cpp
@@ -2,8 +2,6 @@
 
 #include "yacppdic/detail/internal/hash.hpp"
 
-#include <functional>
-
 namespace yacppdic::internal
 {