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ValueBuilder

Struct ValueBuilder 

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

Helper for encoding VarMapValue types into a map arena.

Created internally when calling VarMap::set. Custom VarMapValue implementations use build inside VarMapValue::to_value.

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impl<'a> ValueBuilder<'a>

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pub fn build( &mut self, buffer: &[u8], mem_align: MemAlign, type_id_hash: u32, ) -> Value<'_>

Copies buffer into the arena with the given alignment and stores it as a custom value.

type_id_hash should be VarMapValue::TYPE_ID for the type being encoded.

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impl<'a> Freeze for ValueBuilder<'a>

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impl<'a> RefUnwindSafe for ValueBuilder<'a>

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impl<'a> Send for ValueBuilder<'a>

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impl<'a> Sync for ValueBuilder<'a>

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impl<'a> Unpin for ValueBuilder<'a>

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impl<'a> UnsafeUnpin for ValueBuilder<'a>

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impl<'a> !UnwindSafe for ValueBuilder<'a>

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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, 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, 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.