Trait pallet_tenancy::storage::TryAppendDoubleMap

pub trait TryAppendDoubleMap<K1, K2, T, I>where
    K1: Encode,
    K2: Encode,
    T: StorageTryAppend<I>,
    I: Encode,{
    fn try_append<LikeK1, LikeK2, LikeI>(
        key1: LikeK1,
        key2: LikeK2,
        item: LikeI
    ) -> Result<(), ()>
    where
        LikeK1: EncodeLike<K1> + Clone,
        LikeK2: EncodeLike<K2> + Clone,
        LikeI: EncodeLike<I>;
}
Expand description

Storage double map that is capable of StorageTryAppend.

Required Methods§

Try and append the item into the storage double map at the given key.

This might fail if bounds are not respected.

Implementors§