Dev unordered_map does not name a type
WebJan 9, 2024 · C++ error: 'unordered_map' does not name a type. c++ types unordered-map. 51,885 Solution 1. Compile with g++ -std=c++11 (my gcc version is gcc 4.7.2) AND. #include #include using namespace std; //global variable unordered_map mymap; int main() { mymap.reserve(7000); // <-- try putting … WebFeb 16, 2016 · The text was updated successfully, but these errors were encountered:
Dev unordered_map does not name a type
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WebOct 21, 2015 · 1. As stated in the comments: you are attempting to use unordered_set without qualifying the namespace it comes from. Your compiler thus doesn't know what type it is. This works when you copy your declaration of test into classTest.cpp because that file has a using namespace std. You should always qualify your types with their namespace … WebYou can't execute arbitrary expressions at global scope, so you should put . mymap.reserve(7000); inside main. This is also true for other STL containers like map and vector.
WebNov 13, 2016 · ClientManager.h:36: error: ISO C++ forbids declaration of 'unordered_map' with no type ClientManager.h:36: error: typedef name may not be a nested-name-specifier ClientManager.h:36: error: expected ';' before '<' token ClientManager.h:37: error: 'boost' has not been declared ClientManager.h:37: error: ISO C++ forbids declaration of 'unordered ...
WebJan 29, 2014 · Solution is given here.Need to slap a -std=c++0x in the compiler options for g++ 4.6, and -std=c++11 for g++ 4.7... But I thought the ./configure and the dynamically … WebFeb 24, 2024 · Instant dev environments Copilot. Write better code with AI Code review. Manage code changes ... ‘set’ in namespace ‘std’ does not name a template type std::set visibility_; ^ ... ‘set’ is not a member of ‘std’ std::map visual_neighbors_; ^
WebOct 3, 2013 · hash_map is not standard; although is common pre-C++11. C++11 has unordered_map; it was decided to rename to unordered_map as the hash_map implementations differed. – Bathsheba
WebOct 31, 2024 · But what you really want is to just let to compiler make it for you: firstSets.insert (std::make_pair (decl, declFirstSet)); or use an easier syntax: firstSets [decl] = declFirstSet; EDIT AFTER UNDERSTANDING THE PROBLEM On the otherhand, you want firstSets to come with initial content you can reorder the declarations: #include … immoconsult.beWebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. ... #include #include "common/common_types.h" #include "common/input.h" ... EngineInputType type, int index) const; mutable std::mutex mutex; mutable std::mutex … immocrashWebMar 16, 2024 · unordered_map和unordered_set的模拟实现 (一)哈希表的特性及概念 定义: 哈希表(Hash table,也叫散列表),是根据关键字值(key,value)直接进行访问的数据结构。也就是说,它通过把关键字映射到表中一个位置来访问的纪录,以加快查找的速度。这个映射函数叫做散列函数,存放纪录的数组叫散列表。 immo constructionsWebMar 17, 2024 · Unordered map is an associative container that contains key-value pairs with unique keys. Search, insertion, and removal of elements have average constant-time complexity. Internally, the elements are not sorted in … immo corp s.r.oWebJun 21, 2024 · Note that this works: std::unordered_map exits; and this does not: std::unordered_map exits; I can deduce a couple of things from those assertions, like there is some operation that needs to be performed on keys that require non-const, but I'm not sure what the best way to work around that is. immo construction dgerror: 'unordered_map' does not name a type error: 'mymap' does not name a type In my code, I have: #include using namespace std; //global variable unordered_map mymap; mymap.reserve(7000); void main { return; } I don't see what can be missing here.... EDIT: when I update my declaration to immo contract hausverwaltungWebMay 16, 2024 · If you don't want to have the dependency on C++11 standards, I can provide a revert patch to revert the unordered_map change if you prefer. Otherwise we can just add a compile flag to move forward. All reactions immo consulting fulda