#[cold]fncold(){std::hint::black_box(())}/// Hints to the compiler that the given branch is likely to be taken.
#[inline]pubfnlikely(b:bool)->bool{if!b {cold();}
b
}/// Hints to the compiler that the given branch is unlikely to be taken.
#[inline]pubfnunlikely(b:bool)->bool{if b {cold();}
b
}