package irmin

The type for user-defined contents.

t is the value type for t.

pp pretty-prints contents.

of_string parses 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.