ValueAccessor

Struct ValueAccessor 

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pub struct ValueAccessor<'a>(/* private fields */);
Available on crate feature dynamic-schema only.
Expand description

A value accessor

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impl<'a> ValueAccessor<'a>

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pub fn is_null(&self) -> bool

Returns true if the value is null, otherwise returns false

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pub fn boolean(&self) -> Result<bool>

Returns the boolean

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pub fn enum_name(&self) -> Result<&str>

Returns the enum name

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pub fn i64(&self) -> Result<i64>

Returns the number as i64

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pub fn u64(&self) -> Result<u64>

Returns the number as u64

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pub fn f32(&self) -> Result<f32>

Returns the number as f32

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pub fn f64(&self) -> Result<f64>

Returns the number as f64

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pub fn string(&self) -> Result<&'a str>

Returns the string value

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pub fn object(&self) -> Result<ObjectAccessor<'a>>

Returns the object accessor

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pub fn list(&self) -> Result<ListAccessor<'a>>

Returns the list accessor

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pub fn deserialize<T: DeserializeOwned>(&self) -> Result<T>

Deserialize the value to T

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pub fn as_value(&self) -> &'a Value

Returns a reference to the underlying Value

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pub fn upload(&self) -> Result<Upload>

Returns a upload object

Auto Trait Implementations§

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impl<'a> Freeze for ValueAccessor<'a>

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impl<'a> RefUnwindSafe for ValueAccessor<'a>

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impl<'a> Send for ValueAccessor<'a>

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impl<'a> Sync for ValueAccessor<'a>

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impl<'a> Unpin for ValueAccessor<'a>

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impl<'a> UnwindSafe for ValueAccessor<'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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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, 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> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more