value_bag

Struct OwnedValueBag

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pub struct OwnedValueBag { /* private fields */ }
Expand description

A dynamic structured value.

This type is an owned variant of ValueBag that can be constructed using its to_owned method. OwnedValueBags are suitable for storing and sharing across threads.

OwnedValueBags can be inspected by converting back into a regular ValueBag using the by_ref method.

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impl OwnedValueBag

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pub const fn by_ref(&self) -> ValueBag<'_>

Get a regular ValueBag from this type.

Once a ValueBag has been buffered, it will behave slightly differently when converted back:

  • fmt::Debug won’t use formatting flags.
  • serde::Serialize will use the text-based representation.
  • The original type may change, so downcasting can stop producing results.
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pub fn into_shared(self) -> Self

Make this value cheap to clone and share by internally storing it in an Arc.

If the value is already shared then this method will simply clone it.

Trait Implementations§

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impl Clone for OwnedValueBag

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fn clone(&self) -> OwnedValueBag

Returns a copy 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 Debug for OwnedValueBag

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

Formats the value using the given formatter. Read more
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impl Display for OwnedValueBag

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

Formats the value using the given formatter. Read more
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impl<'v> From<&'v OwnedValueBag> for ValueBag<'v>

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fn from(v: &'v OwnedValueBag) -> ValueBag<'v>

Converts to this type from the input type.
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impl Serialize for OwnedValueBag

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

Serialize this value into the given Serde serializer. Read more
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impl Value for OwnedValueBag

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fn stream<'sval, S: Stream<'sval> + ?Sized>(&'sval self, s: &mut S) -> Result

Stream this value through a Stream.
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fn tag(&self) -> Option<Tag>

Get the tag of this value, if there is one.
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fn to_bool(&self) -> Option<bool>

Try convert this value into a boolean.
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fn to_f32(&self) -> Option<f32>

Try convert this value into a 32bit binary floating point number.
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fn to_f64(&self) -> Option<f64>

Try convert this value into a 64bit binary floating point number.
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fn to_i8(&self) -> Option<i8>

Try convert this value into a signed 8bit integer.
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fn to_i16(&self) -> Option<i16>

Try convert this value into a signed 16bit integer.
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fn to_i32(&self) -> Option<i32>

Try convert this value into a signed 32bit integer.
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fn to_i64(&self) -> Option<i64>

Try convert this value into a signed 64bit integer.
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fn to_i128(&self) -> Option<i128>

Try convert this value into a signed 128bit integer.
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fn to_u8(&self) -> Option<u8>

Try convert this value into an unsigned 8bit integer.
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fn to_u16(&self) -> Option<u16>

Try convert this value into an unsigned 16bit integer.
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fn to_u32(&self) -> Option<u32>

Try convert this value into an unsigned 32bit integer.
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fn to_u64(&self) -> Option<u64>

Try convert this value into an unsigned 64bit integer.
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fn to_u128(&self) -> Option<u128>

Try convert this value into an unsigned 128bit integer.
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fn to_text(&self) -> Option<&str>

Try convert this value into a text string.
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fn to_binary(&self) -> Option<&[u8]>

Try convert this value into a bitstring.

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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> Serialize for T
where T: Serialize + ?Sized,

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fn erased_serialize(&self, serializer: &mut dyn Serializer) -> Result<(), Error>

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fn do_erased_serialize( &self, serializer: &mut dyn Serializer, ) -> Result<(), ErrorImpl>

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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> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. 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.
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impl<T> Value for T
where T: Value,