When compiling
当编译
void ambig( signed long) { }
void ambig(unsigned long) { }
int main(void) { ambig(-1); return 0; }
void ambig( signed longWhen compiling
当编译
void ambig( signed long) { }
void ambig(unsigned long) { }
int main(void) { ambig(-1); return 0; }
void ambig( signed long