Macro maybe_par_chunks_mut 

macro_rules! maybe_par_chunks_mut {
    ($slice:expr, $chunk_size:expr, $closure:expr) => { ... };
}

Macro for parallel/sequential chunks iteration on mutable slices.

Example

use crate::maybe_par_chunks_mut;

maybe_par_chunks_mut!(data, chunk_size, |chunk| {
    // process chunk
});