Function sc_client_api::backend::apply_aux

pub fn apply_aux<'a, 'b: 'a, 'c: 'a, B, Block, D, I>(
    operation: &mut ClientImportOperation<Block, B>, 
    insert: I, 
    delete: D
) -> Result<()> where
    Block: BlockT,
    B: Backend<Block>,
    I: IntoIterator<Item = &'a (&'c [u8], &'c [u8])>,
    D: IntoIterator<Item = &'a &'b [u8]>, 

Helper function to apply auxiliary data insertion into an operation.