automerge (version 0.3.0)

am_get_change_by_hash: Get a specific change by its hash

Description

Retrieves a change from the document's history by its unique hash identifier. The hash is typically obtained from am_get_heads() or am_change_hash().

Usage

am_get_change_by_hash(doc, hash)

Value

An am_change object, or NULL if the change hash is not found in the document.

Arguments

doc

An Automerge document

hash

A raw vector containing the change hash (must be exactly 32 bytes)

Examples

doc <- am_create()
doc$key <- "value"
am_commit(doc, "Add key")

# Get the current heads (change hashes)
heads <- am_get_heads(doc)
head_hash <- heads[[1]]

# Retrieve the change by its hash
change <- am_get_change_by_hash(doc, head_hash)
change
am_change_message(change)  # "Add key"

am_close(doc)