问static_assert依赖于非类型模板参数( gcc和clang的不同行为)EN模板模式是常用的一种行为型设计模式，...
int mouth=12; static_assert(sizeof(void *) == 4, "64-bit code generation is not supported.");//静态断言,假设是64 位系统则不支持 test(mouth); cin.get(); return 0; }
static_assert( !is_void<_Yp>::value, "incomplete type" ); static_assert( sizeof(_Yp) > 0, "incomplete type" ); _M_enable_shared_from_this_with(__p); } template<typename _Yp, typename _Deleter, typename = _SafeConv<_Yp>> __shared_ptr(_Yp* __p, _Deleter __d) : _M_ptr...
static_assert我发现clang即使在未实例化模板时，上述代码也会产生断言错误，而gcc仅在Hitchhiker使用以外...
Extending static_assert N3928 6 __cpp_static_assert >= 201411 New Rules for auto deduction from braced-init-list N3922 5 Allow typename in a template template parameter N4051 5 [[fallthrough]] attribute P0188R1 7 __has_cpp_attribute(fallthrough) [[nodiscard]] attribute P0189R1 4.8 ...
Static assertions N1720 GCC 4.3 __cpp_static_assert >= 200410 auto-typed variables N1984 GCC 4.4 Multi-declarator auto N1737 GCC 4.4 Removal of auto as a storage-class specifier N2546 GCC 4.4 New function declarator syntax N2541 GCC 4.4 ...
如果预处理器做条件测试,如#if #question(answer),该选项可以断言(Assert)question的答案是answer-A-关闭一般用于描述目标机的标准断言 -Dmacro 定义宏macro,宏的内容定义为字符串1 -Dmacro=defn 定义宏macro的内容为defn命令行上所有的-D选项在-U选项之前处理 ...
RID_LAST_CXX11 = RID_STATIC_ASSERT, RID_FIRST_AT = RID_AT_ENCODE, RID_LAST_AT = RID_AT_IMPLEMENTATION, RID_FIRST_PQ = RID_IN, RID_LAST_PQ = RID_ONEWAY, RID_FIRST_PATTR = RID_GETTER, RID_LAST_PATTR = RID_NONATOMIC };
·G++ now supports C++17 fold expressions, u8 character literals, extended static_assert, and nested namespace definitions. ·G++ now allows constant evaluation for all non-type template arguments. ·G++ now supports C++ Transactional Memory when compiling with -fgnu-tm. ...
我们遇到的问题是使用C11关键字_Static_assert。它还指定添加/std:c11或/std:c17编译器选项启用对_Static_assert的支持。出于其他原因,我们已经启用了--enable_platform_specific_config。简单地将build:windows --copt="/std:c11