package irmin-git

The type for user-defined contents.

Merge function. Evaluates to `Conflict msg if the values cannot be merged properly. The arguments of the merge function can take None to mean that the key does not exists for either the least-common ancestor or one of the two merging points. The merge function returns None when the key's value should be deleted.

hash c it c's hash in the repository r.

of_hash r h is the the contents object in r having h as hash, or None is no such contents object exists.