Enum ExternalId 

pub enum ExternalId {
    Null,
    Boolean(bool),
    Integer(String),
    Float(u64),
    String(String),
    Bytes(Vec<u8>),
    Tuple(Vec<Self>),
    FrozenSet(BTreeSet<Self>),
}

Lossless, deterministically ordered external graph identity.

Variants

Null

Boolean(bool)

Integer(String)

Canonical arbitrary-precision decimal integer.

Float(u64)

Exact IEEE-754 bit representation.

String(String)

Bytes(Vec<u8>)

Tuple(Vec<Self>)

FrozenSet(BTreeSet<Self>)

Implementations

impl ExternalId

pub fn as_string(&self) -> Option<&str>

Borrow the payload when this identity is a string.

pub fn integer(value: impl Into<String>) -> Result<Self, GraphError>

Construct a validated arbitrary-precision integer identity.

pub const fn float(value: f64) -> Self

Construct an exact floating-point identity.

pub fn tuple(values: Vec<Self>) -> Result<Self, GraphError>

Construct a tuple identity and validate nesting/size limits.

pub fn frozen_set( values: impl IntoIterator<Item = Self>, ) -> Result<Self, GraphError>

Construct a canonical frozen-set identity.

pub fn validate(&self) -> Result<(), GraphError>

Validate canonical payloads and resource bounds.

pub fn to_json_bytes(&self) -> Result<Vec<u8>, GraphError>

Encode the canonical tagged JSON envelope used by bindings and stored tagged identity properties.

pub fn from_tagged_value(value: Value) -> Result<Self, GraphError>

Decode one canonical tagged JSON envelope.

pub fn from_scalar(value: Value) -> Result<Self, GraphError>

Convert an ordinary JSON scalar without erasing its type.

Trait Implementations

impl Clone for ExternalId

fn clone(&self) -> ExternalId

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExternalId

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ExternalId

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for ExternalId

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

Formats the value using the given formatter.

impl Eq for ExternalId

impl From<&ExternalId> for ExternalId

fn from(value: &ExternalId) -> Self

Converts to this type from the input type.

impl From<&String> for ExternalId

fn from(value: &String) -> Self

Converts to this type from the input type.

impl From<&str> for ExternalId

fn from(value: &str) -> Self

Converts to this type from the input type.

impl From<String> for ExternalId

fn from(value: String) -> Self

Converts to this type from the input type.

impl From<bool> for ExternalId

fn from(value: bool) -> Self

Converts to this type from the input type.

impl From<f64> for ExternalId

fn from(value: f64) -> Self

Converts to this type from the input type.

impl From<i64> for ExternalId

fn from(value: i64) -> Self

Converts to this type from the input type.

impl From<u64> for ExternalId

fn from(value: u64) -> Self

Converts to this type from the input type.

impl Hash for ExternalId

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for ExternalId

fn cmp(&self, other: &ExternalId) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ExternalId

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

Equality operator ==.

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

Inequality operator !=.

impl PartialEq<&str> for ExternalId

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

Equality operator ==.

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

Inequality operator !=.

impl PartialEq<String> for ExternalId

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for ExternalId

fn partial_cmp(&self, other: &ExternalId) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for ExternalId

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ExternalId