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authorMikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com>2019-02-28 16:55:08 +0200
committerMikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com>2019-02-28 17:45:21 +0200
commitceec74f52ff74876dcce9470d8f474b013783480 (patch)
tree9c9b6caf5167f5bc7525f5c850d0d403dd10a30b /include
parent810999fadf41576204752113f33336a69603de4a (diff)
downloadqtlocation-mapboxgl-ceec74f52ff74876dcce9470d8f474b013783480.tar.gz
[core] peer must not wrap itself
Diffstat (limited to 'include')
-rw-r--r--include/mbgl/util/peer.hpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/mbgl/util/peer.hpp b/include/mbgl/util/peer.hpp
index d56526b80d..d16efddb57 100644
--- a/include/mbgl/util/peer.hpp
+++ b/include/mbgl/util/peer.hpp
@@ -12,7 +12,9 @@ public:
peer() noexcept : storage(nullptr, noop_deleter) {}
template <class T>
- peer(T&& value) noexcept : storage(new std::decay_t<T>(std::forward<T>(value)), cast_deleter<std::decay_t<T>>) {}
+ peer(T&& value) noexcept : storage(new std::decay_t<T>(std::forward<T>(value)), cast_deleter<std::decay_t<T>>) {
+ static_assert(!std::is_same<peer, std::decay_t<T>>::value, "Peer must not wrap itself.");
+ }
bool has_value() const noexcept { return static_cast<bool>(storage); }