StorageDoubleMap<K1, K2, V> constructor
const
StorageDoubleMap<K1, K2, V> ({
- required String prefix,
- required String storage,
- required StorageHasher<
K1> hasher1, - required StorageHasher<
K2> hasher2, - required Codec<
V> valueCodec,
Implementation
const StorageDoubleMap({
required this.prefix,
required this.storage,
required this.hasher1,
required this.hasher2,
required this.valueCodec,
});