Next time, we’ll look atmake_shared‘s close friend,std::enable_shared_from_this. ¹ More specifically, theDeleterobject deletes the pointer you passed in. The default deleter uses thedeleteoperator to delete the pointer.
...sptr1.use_count() == 2); assert(sptr2.use_count() == 2); 一般情况下,继承了 std::enable_shared_from_this 的子类,成员变量中增加了一个指向...这个 weak_ptr 在第一次创建 shared_ptr 的时候会被初始化,指向 this。 ? 1.3K11
struct require_make_shared : public std::enable_shared_from_this<T> { protected: struct use_the_create_method { explicit use_the_create_method() = default; }; public: template<typename...Args> static auto create(Args&&... args) { return std::make_shared<T> (use_the_create_method{}...
我可能在这里犯了一些基本错误,但谷歌没有发现任何结果。我使用的是 Visual Studio 2019,我的代码如下: #包括 int main() { std::shared_...
Files rawhide .copr .fmf .github config doc man plans policy scripts support .gitignore COPYING Changelog Changelog.old INSTALL Makefile README README.md Rules.modular Rules.monolithic VERSION build.conf packit.yaml
cmake: fix ENABLE_DEBUG=ON builds in default/release mode … Verified 7da0a4d vszakats force-pushed the cmake-debug-fixup branch from 85432e5 to 3512410 Compare May 20, 2024 23:29 vszakats mentioned this pull request May 21, 2024 build: untangle CURLDEBUG and DEBUGBUILD macros #1...
01程序员必会的工程构建神器 CMake 是一个跨平台开源工具家族，用于构建、测试和打包软件。它通过简单的...
printf("hello, this main2\n"); return 0; } 6.2.1.3 运行查看 然后cd到build目录下输入cmake … && make就可以只编译出main1,如果想编译出main2,就把MYDEBUG设置为ON,再次输入cmake … && make重新编译。 每次想改变MYDEBUG时都需要去修改CMakeLists.txt,有点麻烦,其实可以通过cmake的命令行去操作,例...
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enable-languages=c,c++ --enable-shared --enable-threads=posix --enable-checking=release --with-arch=armv8.2-a --with-tune=cortex-a78 --with-cpu=cortex-a78+crypto+dotprod+fp16+rcpc --disable-bootstrap --disable-multilib --enable-multiarch --enable-nls --without-included-gettext --enable...