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

Function clear

Source 
pub fn clear(
    storage_key: <PassFatPointerAndRead<&[u8]> as RIType>::Inner,
    key: <PassFatPointerAndRead<&[u8]> as RIType>::Inner,
)
Expand description

Clear a child storage key.

For the default child storage at storage_key, clear value at key.