// codesnip-guard: bitwise_transform
#[cfg_attr(any(),rustfmt::skip)]pub use self::bitwise_transform::bitwise_transform;#[cfg_attr(any(),rustfmt::skip)]mod bitwise_transform{pub fn bitwise_transform<T,F>(x:&mut[T],mut f:F)where F:FnMut(&mut T,&mut T){let k=x.len().trailing_zeros()as usize;assert!(x.len()==1<<k);for i in 0..k{for a in x.chunks_exact_mut(2<<i){let(x,y)=a.split_at_mut(1<<i);for(x,y)in x.iter_mut().zip(y.iter_mut()){f(x,y);}}}}}