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Value

Enum Value 

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pub enum Value {
    Null,
    Bool(bool),
    Text(String),
    Number(Number),
    Array(Vec<Value>),
    Record(BTreeMap<String, Value>),
    Quantity {
        value: Box<Value>,
        dimension: Dimension,
    },
    Money {
        amount: Box<Value>,
        currency: String,
    },
    Matrix {
        rows: u32,
        cols: u32,
        data: Vec<Value>,
    },
    Bound(Bound),
}
Expand description

The recursive wire value.

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Null

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Bool(bool)

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Text(String)

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Number(Number)

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Array(Vec<Value>)

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Record(BTreeMap<String, Value>)

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Quantity

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§value: Box<Value>
§dimension: Dimension
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Money

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§amount: Box<Value>
§currency: String
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Matrix

Fields

§rows: u32
§cols: u32
§data: Vec<Value>
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Bound(Bound)

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impl Value

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pub fn number(number: Number) -> Value

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pub fn decimal(decimal: Decimal) -> Value

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pub fn integer(value: BigInt) -> Value

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pub fn text(value: impl Into<String>) -> Value

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pub fn record( entries: impl IntoIterator<Item = (impl Into<String>, Value)>, ) -> Value

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pub fn kind_name(&self) -> &'static str

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pub fn is_null(&self) -> bool

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pub fn as_number(&self) -> Result<&Number, EngineError>

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pub fn as_array(&self) -> Result<&[Value], EngineError>

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pub fn as_record(&self) -> Result<&BTreeMap<String, Value>, EngineError>

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pub fn as_text(&self) -> Result<&str, EngineError>

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pub fn as_bool(&self) -> Result<bool, EngineError>

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pub fn as_money(&self) -> Result<(&Number, &str), EngineError>

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pub fn as_quantity(&self) -> Result<(&Number, Dimension), EngineError>

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pub fn check_limits( &self, limits: &Limits, depth: usize, ) -> Result<(), EngineError>

Check structural depth and basic size limits.

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pub fn from_json(raw: &Value, limits: &Limits) -> Result<Value, EngineError>

Convert plain JSON into a typed value. JSON numbers are interpreted as exact integers or decimals; float64 requires the canonical form.

Trait Implementations§

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impl Clone for Value

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fn clone(&self) -> Value

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for Value

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for Value

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

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for Value

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl Serialize for Value

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

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for Value

Auto Trait Implementations§

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impl Freeze for Value

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impl RefUnwindSafe for Value

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impl Send for Value

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impl Sync for Value

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impl Unpin for Value

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impl UnsafeUnpin for Value

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impl UnwindSafe for Value

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.