{"action":"created","issue":{"url":"https://api.github.com/repos/opencog/atomspace/issues/454","labels_url":"https://api.github.com/repos/opencog/atomspace/issues/454/labels{/name}","comments_url":"https://api.github.com/repos/opencog/atomspace/issues/454/comments","events_url":"https://api.github.com/repos/opencog/atomspace/issues/454/events","html_url":"https://github.com/opencog/atomspace/issues/454","id":113408631,"number":454,"title":"Error building with g++-4.9","user":{"login":"issacnitin","id":4218887,"avatar_url":"https://avatars.githubusercontent.com/u/4218887?v=3","gravatar_id":"","url":"https://api.github.com/users/issacnitin","html_url":"https://github.com/issacnitin","followers_url":"https://api.github.com/users/issacnitin/followers","following_url":"https://api.github.com/users/issacnitin/following{/other_user}","gists_url":"https://api.github.com/users/issacnitin/gists{/gist_id}","starred_url":"https://api.github.com/users/issacnitin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/issacnitin/subscriptions","organizations_url":"https://api.github.com/users/issacnitin/orgs","repos_url":"https://api.github.com/users/issacnitin/repos","events_url":"https://api.github.com/users/issacnitin/events{/privacy}","received_events_url":"https://api.github.com/users/issacnitin/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-10-26T17:32:08Z","updated_at":"2015-10-27T04:18:32Z","closed_at":null,"body":"/home/catalyst/atomspace/opencog/rule-engine/forwardchainer/FCStat.cc:116:27: error: converting to ‘opencog::UnorderedHandleSet {aka std::unordered_set<opencog::Handle, opencog::handle_hash>}’ from initializer list would use explicit constructor ‘std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set(std::unordered_set<_Value, _Hash, _Pred, _Alloc>::size_type, const hasher&, const key_equal&, const allocator_type&) [with _Value = opencog::Handle; _Hash = opencog::handle_hash; _Pred = std::equal_to<opencog::Handle>; _Alloc = std::allocator<opencog::Handle>; std::unordered_set<_Value, _Hash, _Pred, _Alloc>::size_type = long unsigned int; std::unordered_set<_Value, _Hash, _Pred, _Alloc>::hasher = opencog::handle_hash; std::unordered_set<_Value, _Hash, _Pred, _Alloc>::key_equal = std::equal_to<opencog::Handle>; std::unordered_set<_Value, _Hash, _Pred, _Alloc>::allocator_type = std::allocator<opencog::Handle>]’\r\n   UnorderedHandleSet all={};\r\n\r\n\r\nGcc, g++ version 4.9\r\nUbuntu version (uname -a) : Linux catalyst-HP-Pavilion-15-Notebook-PC 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux\r\n"},"comment":{"url":"https://api.github.com/repos/opencog/atomspace/issues/comments/151371021","html_url":"https://github.com/opencog/atomspace/issues/454#issuecomment-151371021","issue_url":"https://api.github.com/repos/opencog/atomspace/issues/454","id":151371021,"user":{"login":"williampma","id":7298267,"avatar_url":"https://avatars.githubusercontent.com/u/7298267?v=3","gravatar_id":"","url":"https://api.github.com/users/williampma","html_url":"https://github.com/williampma","followers_url":"https://api.github.com/users/williampma/followers","following_url":"https://api.github.com/users/williampma/following{/other_user}","gists_url":"https://api.github.com/users/williampma/gists{/gist_id}","starred_url":"https://api.github.com/users/williampma/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/williampma/subscriptions","organizations_url":"https://api.github.com/users/williampma/orgs","repos_url":"https://api.github.com/users/williampma/repos","events_url":"https://api.github.com/users/williampma/events{/privacy}","received_events_url":"https://api.github.com/users/williampma/received_events","type":"User","site_admin":false},"created_at":"2015-10-27T04:18:32Z","updated_at":"2015-10-27T04:18:32Z","body":"Why is `={}` even needed when an UnorderedHandleSet is already initialized empty?  Just remove that part."}}