winebarrel https://blog.hatena.ne.jp/winebarrel/ so what https://so-wh.at/ C++ #include <cstdio> union Foo { Foo(short i); void show(); private: short i; unsigned char cs[2]; }; Foo::Foo(short i) : i(i) {} void Foo::show() { printf("l:%x h:%x\n", cs[0], cs[1]); } int main() { union { short i; unsigned char cs[2]; }; i = 0xABCD; printf("l:%x h:%x\n", cs[0], cs[1]); Foo foo(0xCA… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fso-wh.at%2Fentry%2F20080516%2Fp6" title=" 共用体を使ってみる - so what" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-05-16 00:00:00 rich https://so-wh.at/entry/20080516/p6 1.0 100%