diff --git a/.ccls b/.ccls
new file mode 100644
index 0000000..ebe0b99
--- /dev/null
+++ b/.ccls
@@ -0,0 +1,8 @@
+clang
+%cpp -std=c++17
+-I.
+-Ibuild
+-Wall
+-Wextra
+-Wpedantic
+-Wconversion