Enum Value

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pub enum Value {
    Scalar(ScalarCow<'static>),
    Array(Vec<Value>),
    Object(Object),
    State(State),
    Nil,
}
Expand description

An enum to represent different value types

Variants§

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Scalar(ScalarCow<'static>)

A scalar value.

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Array(Vec<Value>)

A sequence of Values.

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Object(Object)

A sequence of key/Value pairs.

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State(State)

Query symbol.

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Nil

Nothing.

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impl Value

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pub fn scalar<T>(value: T) -> Value
where T: Into<ScalarCow<'static>>,

Create as a Scalar.

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pub fn array<I>(iter: I) -> Value
where I: IntoIterator<Item = Value>,

Create as an Array.

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pub fn as_view(&self) -> &dyn ValueView

Performs the conversion.

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pub fn into_scalar(self) -> Option<ScalarCow<'static>>

Extracts the scalar value if it is a scalar.

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pub fn into_array(self) -> Option<Vec<Value>>

Extracts the array value if it is an array.

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pub fn as_array_mut(&mut self) -> Option<&mut Vec<Value>>

Extracts the array value as mutable if it is a object.

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pub fn into_object(self) -> Option<Object>

Extracts the object value if it is a object.

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pub fn as_object_mut(&mut self) -> Option<&mut Object>

Extracts the object value as mutable if it is a object.

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pub fn into_state(self) -> Option<State>

Extracts the state if it is one

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impl Clone for Value

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fn clone(&self) -> Value

Returns a copy 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<(), Error>

Formats the value using the given formatter. Read more
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impl Default for Value

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fn default() -> Value

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Value

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

Deserialize this value from the given Serde deserializer. Read more
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impl<'s> From<&'s Value> for ValueCow<'s>

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fn from(other: &'s Value) -> ValueCow<'s>

Converts to this type from the input type.
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impl From<Object> for Value

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fn from(other: Object) -> Value

Converts to this type from the input type.
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impl From<ScalarCow<'static>> for Value

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fn from(other: ScalarCow<'static>) -> Value

Converts to this type from the input type.
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impl From<State> for Value

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fn from(other: State) -> Value

Converts to this type from the input type.
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impl From<Value> for ValueCow<'static>

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fn from(other: Value) -> ValueCow<'static>

Converts to this type from the input type.
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impl From<Vec<Value>> for Value

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fn from(other: Vec<Value>) -> Value

Converts to this type from the input type.
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impl PartialEq<&str> for Value

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fn eq(&self, other: &&str) -> 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 PartialEq<Date> for Value

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fn eq(&self, other: &Date) -> 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 PartialEq<DateTime> for Value

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fn eq(&self, other: &DateTime) -> 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 PartialEq<KStringBase<Box<str>>> for Value

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fn eq(&self, other: &KStringBase<Box<str>>) -> 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<'s> PartialEq<KStringCowBase<'s>> for Value

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fn eq(&self, other: &KStringCowBase<'s>) -> 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<'s> PartialEq<KStringRef<'s>> for Value

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fn eq(&self, other: &KStringRef<'s>) -> 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 PartialEq<String> for Value

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fn eq(&self, other: &String) -> 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 PartialEq<Value> for ValueCow<'_>

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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<'v> PartialEq<ValueViewCmp<'v>> for Value

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fn eq(&self, other: &ValueViewCmp<'v>) -> 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 PartialEq<bool> for Value

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fn eq(&self, other: &bool) -> 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 PartialEq<f64> for Value

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fn eq(&self, other: &f64) -> 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 PartialEq<i64> for Value

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fn eq(&self, other: &i64) -> 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 PartialEq<str> for Value

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fn eq(&self, other: &str) -> 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 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 PartialOrd for Value

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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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. Read more
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impl ValueView for Value

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fn as_debug(&self) -> &dyn Debug

Get a Debug representation
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fn render(&self) -> DisplayCow<'_>

A Display for a BoxedValue rendered for the user.
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fn source(&self) -> DisplayCow<'_>

A Display for a Value as source code.
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fn type_name(&self) -> &'static str

Report the data type (generally for error reporting).
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fn query_state(&self, state: State) -> bool

Query the value’s state
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fn to_kstr(&self) -> KStringCowBase<'_>

Interpret as a string.
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fn to_value(&self) -> Value

Convert to an owned type.
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fn as_scalar(&self) -> Option<ScalarCow<'_>>

Extracts the scalar value if it is a scalar.
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fn as_array(&self) -> Option<&dyn ArrayView>

Extracts the array value if it is an array.
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fn as_object(&self) -> Option<&dyn ObjectView>

Extracts the object value if it is a object.
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fn as_state(&self) -> Option<State>

Extracts the state if it is one
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fn is_nil(&self) -> bool

Tests whether this value is nil Read more
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fn is_scalar(&self) -> bool

Tests whether this value is a scalar
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fn is_array(&self) -> bool

Tests whether this value is an array
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fn is_object(&self) -> bool

Tests whether this value is an object
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fn is_state(&self) -> bool

Tests whether this value is state
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impl Eq 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> IntoEither for T

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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
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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
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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> Any for T
where T: Any,

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impl<T> CloneAny for T
where T: Any + Clone,

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impl<T> CloneAnySend for T
where T: Any + Send + Clone,

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impl<T> CloneAnySendSync for T
where T: Any + Send + Sync + Clone,

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impl<T> CloneAnySync for T
where T: Any + Sync + Clone,

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