- as.numeric, as.integer, as.vector
`signature(x = "abIndex")`

: ...

- [
`signature(x = "abIndex", i = "index", j = "ANY", drop = "ANY")`

: ...

- coerce
`signature(from = "numeric", to = "abIndex")`

: ...

- coerce
`signature(from = "abIndex", to = "numeric")`

: ...

- coerce
`signature(from = "abIndex", to = "integer")`

: ...

- length
`signature(x = "abIndex")`

: ...

- Ops
`signature(e1 = "numeric", e2 = "abIndex")`

: These
and the following arithmetic and logic operations are
**not yet implemented**; see `Ops`

for a
list of these (S4) group methods.

- Ops
`signature(e1 = "abIndex", e2 = "abIndex")`

: ...

- Ops
`signature(e1 = "abIndex", e2 = "numeric")`

: ...

- Summary
`signature(x = "abIndex")`

: ...

- show
`("abIndex")`

: simple `show`

method,
building on `show(<rleDiff>)`

.

- is.na
`("abIndex")`

: works analogously to regular vectors.

- is.finite, is.infinite
`("abIndex")`

: ditto.