From 72e83df4876d799cc7b7993813533041a112e250 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Tue, 29 May 2018 16:32:28 -0400
Subject: dust kickup spreads outward instead of being instantaneous

---
 src/util.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/util.h

(limited to 'src/util.h')

diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..150a6a5
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,20 @@
+#ifndef UTIL_H_E9110D4C
+#define UTIL_H_E9110D4C
+
+template <typename Container, typename Predicate>
+void erase_if(Container& items, const Predicate& predicate)
+{
+  for (auto it = std::begin(items); it != std::end(items);)
+  {
+    if (predicate(*it))
+    {
+      it = items.erase(it);
+    }
+    else
+    {
+      ++it;
+    }
+  }
+};
+
+#endif /* end of include guard: UTIL_H_E9110D4C */
-- 
cgit 1.4.1