IndexesSequence

Description

Initializes the sequence map with an identity function so each index maps to its own physical value.

The sequence stores physical indexes (numbers), so a write of an unchanged index is provably a no-op — skipUnchangedWrites is always on, which also preserves the compact identity representation when an identity value is re-written.

Methods

destroy

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indexesSequence.destroy()

Destroys the map instance.

getLength

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indexesSequence.getLength() ⇒ number

Get length of the sequence.

getValueAtIndex

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indexesSequence.getValueAtIndex(index) ⇒ T | undefined

Get the physical index at the given position.

Param	Type	Description
index	number	Position in the sequence.

getValues

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indexesSequence.getValues() ⇒ Array<number>

Get sequence of physical indexes.

Returns: Array<number> - Physical indexes.

setValueAtIndex

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indexesSequence.setValueAtIndex(index, value) ⇒ boolean

Set the physical index at a single position. Materializes the sequence first.

Param	Type	Description
index	number	The position.
value	*	The physical index to store.

setValues

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indexesSequence.setValues(values)

Set a completely new sequence. Detects the identity case to keep the compact representation.

Param	Type	Description
values	Array	List of physical indexes.