Value

Enum Value 

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pub enum Value {
    Array(Vec<Value>),
    String(String),
    Integer(i64),
    Float(OrderedFloat<f64>),
    Boolean(bool),
    Map(HashMap<String, Value>),
    Null,
    TypedError(TypedError),
}
Expand description

A generic value type that can represent data from configuration, ALME protocol, WIT interfaces, or other structured sources within the Arcella ecosystem.

This enum serves as a common interchange format for dynamic data, similar to serde_json::Value but tailored for Arcella’s specific needs.

It supports:

  • Primitive types: String, Integer, Float, Boolean, Null
  • Compound types: Array (list of Value), Map (key-value pairs of String to Value)
  • Error signaling: Error (for representing failures during data processing)

§Examples

use arcella_types::config::Value;
use ordered_float::OrderedFloat;

// Creating a simple value
let string_val = Value::String("hello".to_string());
let int_val = Value::Integer(42);
let float_val = Value::Float(OrderedFloat(3.14));
let bool_val = Value::Boolean(true);
let null_val = Value::Null;

// Creating an array of values
let array_val = Value::Array(vec![
    Value::String("item1".to_string()),
    Value::Integer(2),
    Value::Null,
]);

// Creating a map of values
use std::collections::HashMap;
let mut map = HashMap::new();
map.insert("key1".to_string(), Value::Integer(42));
map.insert("key2".to_string(), Value::Boolean(true));
let map_val = Value::Map(map);

Variants§

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Array(Vec<Value>)

A sequence of Values.

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String(String)

A UTF-8 string.

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Integer(i64)

A signed 64-bit integer.

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Float(OrderedFloat<f64>)

A 64-bit floating-point number. Uses OrderedFloat to ensure total ordering for use in collections.

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Boolean(bool)

A boolean value.

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Map(HashMap<String, Value>)

A map of string keys to Values. Uses HashMap for fast lookups.

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Null

An explicit null value, representing the absence of data.

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TypedError(TypedError)

A typed error value, useful for signaling errors within data structures.

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
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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: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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

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 UnwindSafe for Value

Blanket Implementations§

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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> 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> 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 = Infallible

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

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