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JsonValueRef

Struct JsonValueRef 

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pub struct JsonValueRef<'a> { /* private fields */ }
Expand description

Zero-copy view into a tagged-byte JSON value (or sub-value), used by the schema-pinned descendants to validate JSON-LD admission predicates. Keys and string values are NFC-normalized; numbers carry their canonical ASCII text.

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impl<'a> JsonValueRef<'a>

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pub fn root(value: &'a JsonValue) -> Self

Root navigator over a parsed JsonValue.

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pub fn tag(&self) -> u8

Tag byte at this position.

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pub fn is_null(&self) -> bool

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pub fn is_bool(&self) -> bool

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pub fn is_number(&self) -> bool

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pub fn is_string(&self) -> bool

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pub fn is_array(&self) -> bool

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pub fn is_object(&self) -> bool

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

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pub fn as_str(&self) -> Option<&'a [u8]>

Borrow the NFC-normalized UTF-8 content of a string value.

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pub fn as_number_str(&self) -> Option<&'a [u8]>

Borrow the canonical ASCII text of a number value.

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pub fn get(&self, key: &[u8]) -> Option<JsonValueRef<'a>>

Look up an object entry by its NFC key bytes.

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pub fn iter_object(&self) -> Option<ObjectIter<'a>>

Iterate object entries (key_bytes, value_ref) in tagged-form (input) order.

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pub fn iter_array(&self) -> Option<ArrayIter<'a>>

Iterate array elements.

Trait Implementations§

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impl<'a> Clone for JsonValueRef<'a>

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fn clone(&self) -> JsonValueRef<'a>

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<'a> Copy for JsonValueRef<'a>

Auto Trait Implementations§

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impl<'a> Freeze for JsonValueRef<'a>

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impl<'a> RefUnwindSafe for JsonValueRef<'a>

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impl<'a> Send for JsonValueRef<'a>

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impl<'a> Sync for JsonValueRef<'a>

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impl<'a> Unpin for JsonValueRef<'a>

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impl<'a> UnsafeUnpin for JsonValueRef<'a>

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impl<'a> UnwindSafe for JsonValueRef<'a>

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 = 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.