Struct valence::ecs::storage::TableRow

pub struct TableRow(/* private fields */);
Expand description

A opaque newtype for rows in Tables. Specifies a single row in a specific table.

Values of this type are retrievable from Archetype::entity_table_row and can be used alongside Archetype::table_id to fetch the exact table and row where an Entity’s

Values of this type are only valid so long as entities have not moved around. Adding and removing components from an entity, or despawning it will invalidate potentially any table row in the table the entity was previously stored in. Users should always fetch the appropriate row from the entity’s Archetype before fetching the entity’s components.

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impl TableRow

pub const fn from_u32(index: u32) -> TableRow

Creates a TableRow.

pub const fn from_usize(index: usize) -> TableRow

Creates a TableRow from a usize index.

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Will panic if the provided value does not fit within a u32.

pub const fn as_usize(self) -> usize

Gets the index of the row as a usize.

pub const fn as_u32(self) -> u32

Gets the index of the row as a usize.

Trait Implementations§

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impl Clone for TableRow

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fn clone(&self) -> TableRow

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 TableRow

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

Formats the value using the given formatter. Read more
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impl PartialEq for TableRow

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fn eq(&self, other: &TableRow) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for TableRow

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impl Eq for TableRow

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impl StructuralPartialEq for TableRow

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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
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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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Converts self into T using Into<T>. Read more
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where T: Any,

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Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any(&self) -> &(dyn Any + 'static)

Casts the type to dyn Any.
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fn dyn_eq(&self, other: &(dyn DynEq + 'static)) -> bool

This method tests for self and other values to be equal. Read more
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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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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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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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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Pipes by value. This is generally the method you want to use. Read more
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Borrows self and passes that borrow into the pipe function. Read more
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type Output = T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

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Mutable access to a value. Read more
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