cvt18.c

来自「linux下编程用 编译软件」· C语言 代码 · 共 25 行

// { dg-do assemble  }
// GROUPS passed conversions
// cvt file
// Message-Id: <[e-mail]>
// From: [e-mail] (John Interrante)
// Subject: gcc 2.4.5 on sparc-sun-sunos4.1.2: automatic conversion functions
// Date: Thu, 8 Jul 93 17:42:12 PDT

class Token {
public:
    operator const void*() const;
    int operator !=(int code) const;
private:
    int code_;
};

extern Token next_token();

void foo(Token token) {
    if (token && token != '{') {}

    const int inside_body = 1;
    if (inside_body && (token = next_token())) {}
}