Inspired by his previous discovery, the lazy software engineer decided to look for more interesting snippets in his company's code repository. After searching for a while, he found this one:
int main()
{
int have = 1;
int eat = 1;
bool can = true;
if (have && eat)
{
can = false;
}
}
After failing again to extract any meaning from this snippet, the lazy software engineer headed over to Puzzling.SE to try and figure out a solution.
What famous idiom does this code snippet represent?