From 4311f5dafa7a63549fec24ee42a89b55e0a61e65 Mon Sep 17 00:00:00 2001
From: Tomasz Grabiec <tgrabiec@cloudius-systems.com>
Date: Tue, 16 Sep 2014 16:48:57 +0200
Subject: [PATCH] array_map: introduce at()

---
 core/array_map.hh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/core/array_map.hh b/core/array_map.hh
index 35643eb945..1766478680 100644
--- a/core/array_map.hh
+++ b/core/array_map.hh
@@ -20,6 +20,13 @@ public:
     }
     Value& operator[](size_t key) { return _a[key]; }
     const Value& operator[](size_t key) const { return _a[key]; }
+
+    Value& at(size_t key) {
+        if (key >= Max) {
+            throw std::out_of_range(std::to_string(key) + " >= " + std::to_string(Max));
+        }
+        return _a[key];
+    }
 };