Struct HierarchyEntity 

pub struct HierarchyEntity {
    pub id: Option<String>,
    pub display_name: Option<String>,
}

A reference to a parent, child, or sibling entity in the topic hierarchy (domain > field > subfield > topic).

Used in Domain::fields, Field::subfields, Subfield::topics, and siblings arrays.

{"id": "https://openalex.org/fields/17", "display_name": "Computer Science"}

Fields

id: Option<String>

OpenAlex ID URI (e.g. "https://openalex.org/fields/17").

display_name: Option<String>

Human-readable name (e.g. "Computer Science").

Trait Implementations

impl Clone for HierarchyEntity

fn clone(&self) -> HierarchyEntity

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for HierarchyEntity

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for HierarchyEntity

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for HierarchyEntity

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.