Enum JsonValue 

pub enum JsonValue {
    Null,
    Bool(bool),
    Int(i64),
    Double(f64),
    String(String),
    Array(Vec<JsonValue>),
    Object(BTreeMap<String, JsonValue>),
}

A JSON value with integers and floats kept distinct.

Variants

Null

JSON null.

Bool(bool)

A boolean.

Int(i64)

An integer.

Double(f64)

A floating-point number. Non-finite values (NaN, infinities) are not valid JSON and serialize to null; avoid constructing them.

String(String)

A string.

Array(Vec<JsonValue>)

An array of values.

Object(BTreeMap<String, JsonValue>)

An object with string keys, kept sorted.

Implementations

impl JsonValue

pub fn object<const N: usize>(pairs: [(&str, JsonValue); N]) -> Self

Build an object from a fixed set of (key, value) pairs.

pub fn as_object(&self) -> Option<&BTreeMap<String, JsonValue>>

The object’s fields, if this is an object.

pub fn as_array(&self) -> Option<&[JsonValue]>

The array’s elements, if this is an array.

pub fn as_str(&self) -> Option<&str>

The string, if this is a string.

pub fn as_bool(&self) -> Option<bool>

The boolean, if this is a boolean.

pub fn as_i64(&self) -> Option<i64>

The value as an integer, accepting a finite in-range float (truncated toward zero) as well as an integer. A non-finite or out-of-range float yields None rather than a saturated, misleading value.

pub fn as_f64(&self) -> Option<f64>

The value as a float, accepting an integer as well as a float.

Trait Implementations

impl Clone for JsonValue

fn clone(&self) -> JsonValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for JsonValue

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

Formats the value using the given formatter.

impl Default for JsonValue

fn default() -> JsonValue

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for JsonValue

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

Deserialize this value from the given Serde deserializer.

impl From<&str> for JsonValue

fn from(value: &str) -> Self

Converts to this type from the input type.

impl From<BTreeMap<String, JsonValue>> for JsonValue

fn from(value: BTreeMap<String, JsonValue>) -> Self

Converts to this type from the input type.

impl From<String> for JsonValue

fn from(value: String) -> Self

Converts to this type from the input type.

impl From<Vec<JsonValue>> for JsonValue

fn from(value: Vec<JsonValue>) -> Self

Converts to this type from the input type.

impl From<bool> for JsonValue

fn from(value: bool) -> Self

Converts to this type from the input type.

impl From<f64> for JsonValue

fn from(value: f64) -> Self

Converts to this type from the input type.

impl From<i64> for JsonValue

fn from(value: i64) -> Self

Converts to this type from the input type.

impl PartialEq for JsonValue

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for JsonValue

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

Serialize this value into the given Serde serializer.