问Vector:类模板的参数列表："std::vector is missing“EN我正在使用下面的指南http://rodrigo-silveira.com/opengl-tutorial-parsing-obj-file-blender/#.UTRmkvUudqIvetcor顾名思义就是一个向量的容器，该容器中的每个元素都属于同一个类型，有点类似于数组，vetor容器与数组的不同之
这个错误通常表示编译器无法识别 std::vector,这可能是因为缺少必要的头文件包含或者编译环境配置不正确。 要解决这个问题,你可以按照以下步骤操作: 确保包含头文件: 在使用 std::vector 之前,需要确保你的源文件中包含了 <vector> 头文件。例如: cpp #include <vector> 检查编译环境: 确保你的编...
问为什么std::vector需要is_trivial进行逐位移动，而不仅仅是is_trivially_copyable？EN版权声明：本文内容...
Describe the bug According to https://en.cppreference.com/w/cpp/container/vector/resize std::vector::resize(size_t) only requires T to be MoveInsertable and DefaultInsertable, yet the code below fails due to a missing copy constructor. h...
Part of #17913. This PR is a good example of the problems is_trivial has: we can be much more precise in the features we require of a type by using, e.g., is_trivially_destructible.
U*data_all; iter_type m_it; }; 其中高亮typedef行编译会报错如下: ./Iter.h:6:13: error: need ‘typename’ before ‘std::vector<T>::iterator’ because ‘std::vector<T>’isa dependent scope6| typedef std::vector<T>::iterator iter_type;| ^~~ ...
constexpr auto vector_not_constexpr_at_compile() noexcept { std::vector<int> vec{ 1, 1 }; for (auto begin_iter = vec.begin() + 1, end_iter = vec.end(); begin_iter < end_iter; ++begin_iter) {}; return vec[0]; }; static_asser...
M_range_check：__n(which is 0)>= this->size()(which is 0)[关闭]std：：out_of_range表示你正在访问vector中不存在的值。在这种情况下，它是你试图访问的第一个值c[0]，但失败了。这意味着vector c是空的。如果你能提供一个具体的例子，说明类在抛出时是如何使用的，那么我们也许能告诉你为什么。
Thestd::vectoris not one of the allowed types in the Windows Runtime. After all, how would C# or JavaScript access astd::vector? That thing is C++-only and has no cross-language ABI. Indeed, it doesn’t even have a consistent ABI within the C++ language: different compilers, different...
std::vector<Person> people1(0); people1.push_back(p1); return 0; } 运行的时候在push_back那一句报如下的错误: Unhandled exception at 0x50C031CA (msvcr120d.dll) in Test15.exe: 0xC0000005: Access violation reading location 0x391F9350.试了一下,如果不是push_back自定义的struct,而是push_bac...