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JsonValue

Enum JsonValue 

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pub enum JsonValue {
    Null,
    Bool(bool),
    Number(JsonNumber),
    String(String),
    Array(Vec<JsonValue>),
    Object(BTreeMap<String, JsonValue>),
}
Expand description

Inspectable JSON that preserves number tokens and rejects duplicate keys.

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Null

JSON null.

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Bool(bool)

JSON boolean.

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Number(JsonNumber)

Original, validated numeric token; no float conversion has occurred.

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String(String)

Decoded Unicode text.

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Array(Vec<JsonValue>)

Ordered array entries.

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Object(BTreeMap<String, JsonValue>)

Unique object keys. Original ordering and escapes remain in reply bytes.

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impl JsonValue

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pub fn parse(bytes: &[u8]) -> Result<Self, &'static str>

Decode exactly one JSON value, preserving unknown full-width numbers. Errors contain no payload excerpts or decoded values.

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pub fn get(&self, name: &str) -> Option<&Self>

Look up one object field without converting its numeric values.

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

Borrow object fields.

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

Borrow ordered array entries.

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

Borrow decoded text.

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

Read a boolean without coercion.

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pub fn as_u64(&self) -> Option<u64>

Read a u64 integer token without a floating-point intermediate.

Trait Implementations§

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impl Clone for JsonValue

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fn clone(&self) -> JsonValue

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 JsonValue

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

Formats the value using the given formatter. Read more
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impl Drop for JsonValue

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more
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impl Eq for JsonValue

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impl PartialEq for JsonValue

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fn eq(&self, other: &JsonValue) -> 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 StructuralPartialEq for JsonValue

Auto Trait Implementations§

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> 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.