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authorDavid Shah <dave@ds0.me>2020-10-12 11:41:26 +0100
committerDavid Shah <dave@ds0.me>2020-11-30 08:45:27 +0000
commit518ead2e2dd11ba3bcd19085c2c91178ba9e458c (patch)
treea72fa90ff7db0a19ed383349166a78d32a7c700e /common
parent69b449c8759efa15f52add21b1c7f6dc1ceada3a (diff)
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nexus: IO pre-packing
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'common')
-rw-r--r--common/util.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/common/util.h b/common/util.h
index 9512bd40..d82e984a 100644
--- a/common/util.h
+++ b/common/util.h
@@ -112,6 +112,15 @@ template <typename K, typename V> std::map<K, V *> sorted(const std::unordered_m
return retVal;
};
+// Wrap an unordered_map, and allow it to be iterated over sorted by key
+template <typename K, typename V> std::map<K, V &> sorted_ref(std::unordered_map<K, V> &orig)
+{
+ std::map<K, V &> retVal;
+ for (auto &item : orig)
+ retVal.emplace(std::make_pair(item.first, std::ref(item.second)));
+ return retVal;
+};
+
// Wrap an unordered_set, and allow it to be iterated over sorted by key
template <typename K> std::set<K> sorted(const std::unordered_set<K> &orig)
{