Function sp_io::storage::child_clear_prefix

pub fn child_clear_prefix(
    child_storage_key: &[u8], 
    child_definition: &[u8], 
    child_type: u32, 
    prefix: &[u8]
)

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

See child_get for common child api parameters.