Class MultiIndexSetCursorOr

An index cursor that allows multiple index ranges from the same buffer to be or'd together.

This is useful for aggregating sets of items in a union operation.

Implements

Accessors

high low

Methods

addRange free step allocate

Accessors

high

  • get high(): number

  • Get the current high 27 bits, as a regular number with the lower 5 bits padded to zero.

    Returns number

    The high bits.

low

  • get low(): number

  • Get a set of up to 32 low bits, in one-hot format or'd together, so that each bit index represents a 5 bit bottom part corresponding to the top 27

    Returns number

    The high bits.

Methods

addRange

  • addRange(from, to): void

  • Add a range from the multi-set buffer to the cursor.

    Parameters

    • from: number

      The start of the range.

    • to: number

      The end of the range (not inclusive)

    Returns void

free

  • free(): void

  • Free this back to the pool.

    Returns void

step

  • step(): boolean

  • Step this cursor to the next high (and matching set of lows)

    Returns boolean

    True if this is not at the end of the sequence, false otherwise.

Staticallocate

  • allocate(buffer): MultiIndexSetCursorOr

  • Allocate a MultiIndexSetCursorOr, re-using freed ones in the pool.

    Parameters

    • buffer: Uint32Array<ArrayBufferLike>

    Returns MultiIndexSetCursorOr

    The allocated cursor.

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