Enum Value

pub enum Value {
    Scalar(Scalar),
    Array(Array),
    Object(Object),
    State(State),
    Nil,
}

An enum to represent different value types

Variants

Scalar(Scalar)

A scalar value.

Array(Array)

A sequence of Values.

Object(Object)

A sequence of key/Value pairs.

State(State)

Query symbol.

Nil

Nothing.

Implementations

impl Value

pub fn scalar<T: Into<Scalar>>(value: T) -> Self

Create as a Scalar.

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

Create as an Array.

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

Performs the conversion.

pub fn into_scalar(self) -> Option<Scalar>

Extracts the scalar value if it is a scalar.

pub fn into_array(self) -> Option<Array>

Extracts the array value if it is an array.

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

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

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

Extracts the object value if it is a object.

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

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

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

Extracts the state if it is one

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Value

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

Formats the value using the given formatter.

impl Default for Value

fn default() -> Self

Returns the “default value” for a type.

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

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<'s> From<&'s Value> for ValueCow<'s>

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

Converts to this type from the input type.

impl From<Object> for Value

fn from(other: Object) -> Self

Converts to this type from the input type.

impl From<ScalarCow<'static>> for Value

fn from(other: Scalar) -> Self

Converts to this type from the input type.

impl From<State> for Value

fn from(other: State) -> Self

Converts to this type from the input type.

impl From<Value> for ValueCow<'static>

fn from(other: Value) -> Self

Converts to this type from the input type.

impl From<Vec<Value>> for Value

fn from(other: Array) -> Self

Converts to this type from the input type.

impl<'s> PartialEq<&'s str> for Value

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

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

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<Date> for Value

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

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

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<DateTime> for Value

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

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

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<KStringBase<Box<str>>> for Value

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

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

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<'s> PartialEq<KStringCowBase<'s>> for Value

fn eq(&self, other: &KStringCow<'s>) -> bool

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

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<'s> PartialEq<KStringRef<'s>> for Value

fn eq(&self, other: &KStringRef<'s>) -> bool

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

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 ==.

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<'v> PartialEq<Value> for ValueCow<'v>

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

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

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

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

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

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 ==.

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 ==.

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 ==.

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<str> for Value

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

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

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: &Self) -> bool

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

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 for Value

fn partial_cmp(&self, other: &Self) -> 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 Value

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl ValueView for Value

fn as_debug(&self) -> &dyn Debug

Get a Debug representation

fn render(&self) -> DisplayCow<'_>

A Display for a BoxedValue rendered for the user.

fn source(&self) -> DisplayCow<'_>

A Display for a Value as source code.

fn type_name(&self) -> &'static str

Report the data type (generally for error reporting).

fn query_state(&self, state: State) -> bool

Query the value’s state

fn to_kstr(&self) -> KStringCow<'_>

Interpret as a string.

fn to_value(&self) -> Value

Convert to an owned type.

fn as_scalar(&self) -> Option<ScalarCow<'_>>

Extracts the scalar value if it is a scalar.

fn as_array(&self) -> Option<&dyn ArrayView>

Extracts the array value if it is an array.

fn as_object(&self) -> Option<&dyn ObjectView>

Extracts the object value if it is a object.

fn as_state(&self) -> Option<State>

Extracts the state if it is one

fn is_nil(&self) -> bool

Tests whether this value is nil

fn is_scalar(&self) -> bool

Tests whether this value is a scalar

fn is_array(&self) -> bool

Tests whether this value is an array

fn is_object(&self) -> bool

Tests whether this value is an object

fn is_state(&self) -> bool

Tests whether this value is state

impl Eq for Value