Enum hdk::prelude::ElementEntry

pub enum ElementEntry {
    Present(Entry),
    Hidden,
    NotApplicable,
    NotStored,
}

Represents the different ways the entry_address reference within a Header can be intepreted

Variants

Present(Entry)

The Header has an entry_address reference, and the Entry is accessible.

Hidden

The Header has an entry_address reference, but we are in a public context and the entry is private.

NotApplicable

The Header does not contain an entry_address reference.

NotStored

The Header has an entry but was stored without it. This can happen when you receive gossip of just a header when the header type is a [NewEntryHeader]

Implementations

impl ElementEntry

pub fn as_option(&self) -> Option<&Entry>

Provides entry data by reference if it exists

Collapses the enum down to the two possibilities of extant or nonextant Entry data

pub fn into_option(self) -> Option<Entry>

Provides entry data as owned value if it exists.

Collapses the enum down to the two possibilities of extant or nonextant Entry data

pub fn to_app_option<A>(&self) -> Result<Option<A>, SerializedBytesError> where
    A: TryFrom<SerializedBytes, Error = SerializedBytesError>, 

Provides deserialized app entry if it exists

same as as_option but handles deserialization anything other than ElementEntry::Present returns None a present entry that fails to deserialize cleanly is an error a present entry that deserializes cleanly is returned as the provided type A

pub fn to_grant_option(&self) -> Option<ZomeCallCapGrant>

Provides CapGrantEntry if it exists

same as as_option but handles cap grants anything other than ElementEntry::Present for a Entry::CapGrant returns None

Trait Implementations

impl Clone for ElementEntry

pub fn clone(&self) -> ElementEntry

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ElementEntry

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ElementEntry

pub fn deserialize<__D>(
    __deserializer: __D
) -> Result<ElementEntry, <__D as Deserializer<'de>>::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl Eq for ElementEntry

impl PartialEq<ElementEntry> for ElementEntry

pub fn eq(&self, other: &ElementEntry) -> bool

This method tests for self and other values to be equal, and is used by ==.

pub fn ne(&self, other: &ElementEntry) -> bool

This method tests for !=.

impl Serialize for ElementEntry

pub fn serialize<__S>(
    &self,
    __serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl StructuralEq for ElementEntry

impl StructuralPartialEq for ElementEntry

impl<'_> TryFrom<&'_ ElementEntry> for SerializedBytes

type Error = SerializedBytesError

The type returned in the event of a conversion error.

pub fn try_from(
    t: &ElementEntry
) -> Result<SerializedBytes, SerializedBytesError>

Performs the conversion.

impl TryFrom<ElementEntry> for SerializedBytes

type Error = SerializedBytesError

The type returned in the event of a conversion error.

pub fn try_from(
    t: ElementEntry
) -> Result<SerializedBytes, SerializedBytesError>

Performs the conversion.

impl TryFrom<SerializedBytes> for ElementEntry

type Error = SerializedBytesError

The type returned in the event of a conversion error.

pub fn try_from(
    sb: SerializedBytes
) -> Result<ElementEntry, SerializedBytesError>

Performs the conversion.