Trait frame_support::storage::PrefixIteratorOnRemoval[][src]

pub trait PrefixIteratorOnRemoval {
    fn on_removal(key: &[u8], value: &[u8]);
}
Expand description

Trait for specialising on removal logic of PrefixIterator.

Required methods

This function is called whenever a key/value is removed.

Implementations on Foreign Types

No-op implementation.

Implementors