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sp_io::default_child_storage

Function clear_prefix

Source 
pub fn clear_prefix(
    storage_key: <PassFatPointerAndRead<&[u8]> as RIType>::Inner,
    prefix: <PassFatPointerAndRead<&[u8]> as RIType>::Inner,
    limit: <PassFatPointerAndDecode<Option<u32>> as RIType>::Inner,
) -> <AllocateAndReturnByCodec<KillStorageResult> as RIType>::Inner
Expand description

Clear the child storage of each key-value pair where the key starts with the given prefix.

See Storage module clear_prefix documentation for limit usage.