Trait frame_support::traits::tokens::nonfungible::InspectEnumerable

pub trait InspectEnumerable<AccountId>: Inspect<AccountId> {
    fn instances() -> Box<dyn Iterator<Item = Self::InstanceId>>;
    fn owned(who: &AccountId) -> Box<dyn Iterator<Item = Self::InstanceId>>;
}

Interface for enumerating assets in existence or owned by a given account over a collection of NFTs.

Required methods

fn instances() -> Box<dyn Iterator<Item = Self::InstanceId>>

Returns an iterator of the instances of an asset class in existence.

fn owned(who: &AccountId) -> Box<dyn Iterator<Item = Self::InstanceId>>

Returns an iterator of the asset instances of all classes owned by who.

Implementors

impl<F: InspectEnumerable<AccountId>, A: Get<<F as Inspect<AccountId>>::ClassId>, AccountId> InspectEnumerable<AccountId> for ItemOf<F, A, AccountId>