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TableBuilder

Struct TableBuilder 

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pub struct TableBuilder<'vm> { /* private fields */ }
Expand description

Multi-step table construction. Borrows &mut Vm for the whole builder window so no other Vm operation can interleave (which might trigger GC mid-build). Consume with TableBuilder::build.

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impl<'vm> TableBuilder<'vm>

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pub fn with<K, V>(self, k: K, v: V) -> Self
where K: IntoValue, V: IntoValue,

Add a (key, value) entry. Both may be any IntoValue. Panics if the table overflows (MAX_ASIZE = 1<<27; unreachable in practice — embedders building tables that large have other problems).

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pub fn try_with<K, V>(self, k: K, v: V) -> Result<Self, LuaError>
where K: IntoValue, V: IntoValue,

Fallible variant of TableBuilder::with — propagates TableError::Overflow as LuaError instead of panicking.

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pub fn build(self) -> Gc<Table>

Finalize: emit a GC write barrier (so any newly-rooted children are visible to the collector) and return the table handle.

Auto Trait Implementations§

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impl<'vm> !RefUnwindSafe for TableBuilder<'vm>

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impl<'vm> !Send for TableBuilder<'vm>

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impl<'vm> !Sync for TableBuilder<'vm>

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impl<'vm> !UnwindSafe for TableBuilder<'vm>

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impl<'vm> Freeze for TableBuilder<'vm>

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impl<'vm> Unpin for TableBuilder<'vm>

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impl<'vm> UnsafeUnpin for TableBuilder<'vm>

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, 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.