From 7eb81936e277f0c7bb171fddf3632896144e3ac7 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Mon, 9 Mar 2020 13:14:39 +0100
Subject: [PATCH] containers: add insert_at() utility function.

---
 include/lol/private/base/containers.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/lol/private/base/containers.h b/include/lol/private/base/containers.h
index adf6bfa7..04390d29 100644
--- a/include/lol/private/base/containers.h
+++ b/include/lol/private/base/containers.h
@@ -51,6 +51,12 @@ static inline std::vector<typename T::key_type> keys(T const &m)
     return ret;
 }
 
+template <typename T>
+static inline auto insert_at(std::vector<T> &v, size_t i, T const &x)
+{
+    return v.insert(v.begin() + i, x);
+}
+
 template <typename T>
 static inline auto remove_at(std::vector<T> &v, size_t i)
 {