fn copy_u8_slice_to_u8_slice(from_slice: & [u8], to_slice: & mut [u8]) {
    // assert!(to_slice.len() >= from_slice.len());
    let len = from_slice.len();
    for indx in 0 .. len {
        to_slice[indx] = from_slice[indx];
    }
}
// Copy from a source u8 slice to a target u8 slice.
Copy from a source u8 slice to a target u8 slice.
Copy from a source u8 slice to a target u8 slice .
fn copy_u8_slice_to_u8_slice(from_slice: & [u8], to_slice: & mut [u8]) {
    // assert!(to_slice.len() >= from_slice.len());
    let len = from_slice.len();
    for indx in 0 .. len {
        to_slice[indx] = from_slice[indx];
    }
}
fn copy_u8_slice_to_u8_slice ( from_slice : & [ u8 ] , to_slice : & mut [ u8 ] ) { // assert!(to_slice.len() >= from_slice.len()); let len = from_slice . len ( ) ; for indx in 0 .. len { to_slice [ indx ] = from_slice [ indx ] ; } }
Copy from a source u8 slice to a target u8 slice.
Copy from a source u8 slice to a target u8 slice .
from_slice
& [u8]
to_slice
& mut [u8]
from_slice
& [u8]
to_slice
& mut [u8]