Struct bevy::ecs::storage::TableId

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

An opaque unique ID for a Table within a World.

Can be used with Tables::get to fetch the corresponding table.

Each Archetype always points to a table via Archetype::table_id. Multiple archetypes can point to the same table so long as the components stored in the table are identical, but do not share the same sparse set components.

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impl TableId

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

Creates a new TableId.

index must be retrieved from calling TableId::as_u32 on a TableId you got from a table of a given World or the created ID may be invalid.

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

Creates a new TableId.

index must be retrieved from calling TableId::as_usize on a TableId you got from a table of a given World or the created ID may be invalid.

Panics

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

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pub const fn as_u32(self) -> u32

Gets the underlying table index from the ID.

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pub const fn as_usize(self) -> usize

Gets the underlying table index from the ID.

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pub const fn empty() -> TableId

The TableId of the Table without any components.

Trait Implementations§

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impl Clone for TableId

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fn clone(&self) -> TableId

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 TableId

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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 Index<TableId> for Tables

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type Output = Table

The returned type after indexing.
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fn index(&self, index: TableId) -> &<Tables as Index<TableId>>::Output

Performs the indexing (container[index]) operation. Read more
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impl IndexMut<TableId> for Tables

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fn index_mut( &mut self, index: TableId ) -> &mut <Tables as Index<TableId>>::Output

Performs the mutable indexing (container[index]) operation. Read more
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impl PartialEq for TableId

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

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

This method 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 TableId

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impl Eq for TableId

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impl StructuralEq for TableId

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impl StructuralPartialEq for TableId

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impl<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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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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