referrerpolicy=no-referrer-when-downgrade
sp_io::default_child_storage

Function next_key

Source 
pub fn next_key(
    storage_key: <PassFatPointerAndRead<&[u8]> as RIType>::Inner,
    key: <PassFatPointerAndRead<&[u8]> as RIType>::Inner,
) -> <AllocateAndReturnByCodec<Option<Vec<u8>>> as RIType>::Inner
Expand description

Child storage key iteration.

Get the next key in storage after the given one in lexicographic order in child storage.