helix_db::protocol::value

Enum Value

pub enum Value {
Show 16 variants
    String(String),
    F32(f32),
    F64(f64),
    I8(i8),
    I16(i16),
    I32(i32),
    I64(i64),
    U8(u8),
    U16(u16),
    U32(u32),
    U64(u64),
    U128(u128),
    Boolean(bool),
    Array(Vec<Value>),
    Object(HashMap<String, Value>),
    Empty,
}

Expand description

A flexible value type that can represent various property values in nodes and edges. Handles both JSON and binary serialisation formats via custom implementaions of the Serialize and Deserialize traits.

Variants§

String(String)

F32(f32)

F64(f64)

I8(i8)

I16(i16)

I32(i32)

I64(i64)

U8(u8)

U16(u16)

U32(u32)

U64(u64)

U128(u128)

Boolean(bool)

Array(Vec<Value>)

Object(HashMap<String, Value>)

Empty

Implementations§

impl Value

pub fn to_string(&self) -> String

pub fn as_str(&self) -> &str

pub fn map_value_or( self, default: bool, f: impl Fn(&Value) -> bool, ) -> Result<bool, GraphError>

Trait Implementations§

impl Clone for Value

fn clone(&self) -> Value

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for Value

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

Formats the value using the given formatter. Read more

impl<'de> Deserialize<'de> for Value

Custom deserialisation implementation for Value that handles both JSON and binary formats. For JSON, parses raw values directly. For binary formats like bincode, reconstructs the full enum structure.

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

impl Display for Value

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

Formats the value using the given formatter. Read more

impl<'a, K> From<&'a K> for Value
where K: Into<Value> + Serialize + Clone,

fn from(k: &'a K) -> Self

Converts to this type from the input type.

impl From<&Value> for ReturnValue

fn from(value: &Value) -> Self

Converts to this type from the input type.

impl From<&str> for Value

fn from(s: &str) -> Self

Converts to this type from the input type.

impl From<DateTime<Utc>> for Value

fn from(dt: DateTime<Utc>) -> Self

Converts to this type from the input type.

impl From<ID> for Value

fn from(id: ID) -> Self

Converts to this type from the input type.

impl From<String> for Value

fn from(s: String) -> Self

Converts to this type from the input type.

impl From<Value> for GenRef<String>

fn from(v: Value) -> Self

Converts to this type from the input type.

impl From<Value> for ReturnValue

fn from(value: Value) -> Self

Converts to this type from the input type.

impl From<Value> for String

fn from(v: Value) -> Self

Converts to this type from the input type.

impl From<Value> for Value

fn from(v: JsonValue) -> Self

Converts to this type from the input type.

impl From<Value> for ValueType

fn from(value: Value) -> ValueType

Converts to this type from the input type.

impl From<Vec<String>> for Value

fn from(v: Vec<String>) -> Self

Converts to this type from the input type.

impl From<Vec<Value>> for Value

fn from(v: Vec<Value>) -> Self

Converts to this type from the input type.

impl From<Vec<bool>> for Value

fn from(v: Vec<bool>) -> Self

Converts to this type from the input type.

impl From<Vec<f32>> for Value

fn from(v: Vec<f32>) -> Self

Converts to this type from the input type.

impl From<Vec<f64>> for Value

fn from(v: Vec<f64>) -> Self

Converts to this type from the input type.

impl From<Vec<i16>> for Value

fn from(v: Vec<i16>) -> Self

Converts to this type from the input type.

impl From<Vec<i32>> for Value

fn from(v: Vec<i32>) -> Self

Converts to this type from the input type.

impl From<Vec<i64>> for Value

fn from(v: Vec<i64>) -> Self

Converts to this type from the input type.

impl From<Vec<i8>> for Value

fn from(v: Vec<i8>) -> Self

Converts to this type from the input type.

impl From<Vec<u128>> for Value

fn from(v: Vec<u128>) -> Self

Converts to this type from the input type.

impl From<Vec<u16>> for Value

fn from(v: Vec<u16>) -> Self

Converts to this type from the input type.

impl From<Vec<u32>> for Value

fn from(v: Vec<u32>) -> Self

Converts to this type from the input type.

impl From<Vec<u64>> for Value

fn from(v: Vec<u64>) -> Self

Converts to this type from the input type.

impl From<Vec<u8>> for Value

fn from(v: Vec<u8>) -> Self

Converts to this type from the input type.

impl From<bool> for Value

fn from(b: bool) -> Self

Converts to this type from the input type.

impl From<f32> for Value

fn from(f: f32) -> Self

Converts to this type from the input type.

impl From<f64> for Value

fn from(f: f64) -> Self

Converts to this type from the input type.

impl From<i16> for Value

fn from(i: i16) -> Self

Converts to this type from the input type.

impl From<i32> for Value

fn from(i: i32) -> Self

Converts to this type from the input type.

impl From<i64> for Value

fn from(i: i64) -> Self

Converts to this type from the input type.

impl From<i8> for Value

fn from(i: i8) -> Self

Converts to this type from the input type.

impl From<u128> for Value

fn from(i: u128) -> Self

Converts to this type from the input type.

impl From<u16> for Value

fn from(i: u16) -> Self

Converts to this type from the input type.

impl From<u32> for Value

fn from(i: u32) -> Self

Converts to this type from the input type.

impl From<u64> for Value

fn from(i: u64) -> Self

Converts to this type from the input type.

impl From<u8> for Value

fn from(i: u8) -> Self

Converts to this type from the input type.

impl From<usize> for Value

fn from(v: usize) -> Self

Converts to this type from the input type.

impl Ord for Value

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

This method returns an Ordering between self and other. Read more

1.21.0 · Source§

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

Compares and returns the maximum of two values. Read more

1.21.0 · Source§

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

Compares and returns the minimum of two values. Read more

1.50.0 · Source§

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

Restrict a value to a certain interval. Read more

impl PartialEq<&str> for Value

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<String> for Value

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<Value> for FieldType

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<bool> for Value

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<f32> for Value

fn eq(&self, other: &f32) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<f64> for Value

fn eq(&self, other: &f64) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<i32> for Value

fn eq(&self, other: &i32) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<i64> for Value

fn eq(&self, other: &i64) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for Value

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd<f64> for Value

fn partial_cmp(&self, other: &f64) -> Option<Ordering>

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

impl PartialOrd<i32> for Value

fn partial_cmp(&self, other: &i32) -> Option<Ordering>

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

impl PartialOrd<i64> for Value

fn partial_cmp(&self, other: &i64) -> Option<Ordering>

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

impl PartialOrd for Value

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

impl Serialize for Value

Custom serialisation implementation for Value that removes enum variant names in JSON whilst preserving them for binary formats like bincode.

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

Serialize this value into the given Serde serializer. Read more

impl Eq for Value

impl StructuralPartialEq for Value

Auto Trait Implementations§

impl Freeze for Value

impl RefUnwindSafe for Value

impl Send for Value

impl Sync for Value

impl Unpin for Value

impl UnwindSafe for Value

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> ToString for T
where T: Display + ?Sized,

fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

impl<T> ErasedDestructor for T
where T: 'static,

impl<T> MaybeSendSync for T