safemem

safemem::copy_over(slice, src_idx, dest_idx, len); can be replaced with slice.copy_within(src_idx..src_idx+len, dest_idx); as of rust 1.37.0.

safemem::write_bytes(slice, byte); can be replaced with slice.fill(byte); as of rust 1.50.0

safemem::prepend(slice, vec); can be replaced with

let old_len = vec.len();
vec.extend_from_slice(slice);
vec.rotate_left(old_len);

as of rust 1.26.0

safemem::copy_over(slice, src_idx, dest_idx, len); can be replaced with slice.copy_within(src_idx..src_idx+len, dest_idx); as of rust 1.37.0.

safemem::write_bytes(slice, byte); can be replaced with slice.fill(byte); as of rust 1.50.0

safemem::prepend(slice, vec); can be replaced with

let old_len = vec.len();
vec.extend_from_slice(slice);
vec.rotate_left(old_len);

as of rust 1.26.0

safemem::copy_over(slice, src_idx, dest_idx, len); can be replaced with slice.copy_within(src_idx..src_idx+len, dest_idx); as of rust 1.37.0.

safemem::write_bytes(slice, byte); can be replaced with slice.fill(byte); as of rust 1.50.0

safemem::prepend(slice, vec); can be replaced with

let old_len = vec.len();
vec.extend_from_slice(slice);
vec.rotate_left(old_len);

as of rust 1.26.0

safemem::copy_over(slice, src_idx, dest_idx, len); can be replaced with slice.copy_within(src_idx..src_idx+len, dest_idx); as of rust 1.37.0.

safemem::write_bytes(slice, byte); can be replaced with slice.fill(byte); as of rust 1.50.0

safemem::prepend(slice, vec); can be replaced with

let old_len = vec.len();
vec.extend_from_slice(slice);
vec.rotate_left(old_len);

as of rust 1.26.0

safemem::copy_over(slice, src_idx, dest_idx, len); can be replaced with slice.copy_within(src_idx..src_idx+len, dest_idx); as of rust 1.37.0.

safemem::write_bytes(slice, byte); can be replaced with slice.fill(byte); as of rust 1.50.0

safemem::prepend(slice, vec); can be replaced with

let old_len = vec.len();
vec.extend_from_slice(slice);
vec.rotate_left(old_len);

as of rust 1.26.0

safemem::copy_over(slice, src_idx, dest_idx, len); can be replaced with slice.copy_within(src_idx..src_idx+len, dest_idx); as of rust 1.37.0.

safemem::write_bytes(slice, byte); can be replaced with slice.fill(byte); as of rust 1.50.0

safemem::prepend(slice, vec); can be replaced with

let old_len = vec.len();
vec.extend_from_slice(slice);
vec.rotate_left(old_len);

as of rust 1.26.0

safemem::copy_over(slice, src_idx, dest_idx, len); can be replaced with slice.copy_within(src_idx..src_idx+len, dest_idx); as of rust 1.37.0.

safemem::write_bytes(slice, byte); can be replaced with slice.fill(byte); as of rust 1.50.0

safemem::prepend(slice, vec); can be replaced with

let old_len = vec.len();
vec.extend_from_slice(slice);
vec.rotate_left(old_len);

as of rust 1.26.0