C++中与字符串有两种风格,分别是C风格的字符串、std::string字符串。C风格的字符串性能更高,但是也不方便操作使用。如下示例: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 #include <iostream> #include <string> int main() { //C风格字符串总是以null结尾 char cstr1[] = { 'y', 'a', 'n'...
f:\16105\vcpkg\buildtrees\simdjson\src\9f89b884fd-05b3113302\include\simdjson/dom/serialization.h(122): error C2679: binary '<<': no operator found which takes a right-hand operand of type 'std::string_view' (or there is no acceptable conversion) C:\Program Files (x86)\Microsoft ...
{ // find length of null-terminated stringreturn (_CSTD strlen(_First)); }As it can be seen, the function cannot be constexpr because it calls the strlen() function from the C standard library.Now, the length() function should be constexp...
{ // find length of null-terminated stringreturn (_CSTD strlen(_First)); }As it can be seen, the function cannot be constexpr because it calls the strlen() function from the C standard library.Now, the length() function should be constexpr in C++17 - as mentione...