automerge (version 0.3.0)

am_list_range: Get a range of list items

Description

Returns list elements within the index range [begin, end]. Uses 1-based indexing consistent with R conventions.

Usage

am_list_range(doc, obj, begin, end, heads = NULL)

Value

A list of values in the index range.

Arguments

doc

An Automerge document

obj

An Automerge object ID (must be a list)

begin

Start index (1-based, inclusive)

end

End index (1-based, inclusive)

heads

Optional list of change hashes (raw vectors) for historical query. If NULL (default), uses the current state.

Examples

doc <- am_create()
doc$items <- list("a", "b", "c", "d", "e")
items <- doc$items

# Get elements 2 through 4 -> "b", "c", "d"
range <- am_list_range(doc, items, 2, 4)
length(range)  # 3

am_close(doc)