The row-scoped write surface: one atomic check-and-mutate.
0.2.0
Applies one branch of a CheckAndMutateRow atomically.
The predicate evaluated against the row
The mutation lists for a matching and a non-matching row
true when the test matched (so onMatch ran), false otherwise
true
onMatch
false
The row-scoped write surface: one atomic check-and-mutate.
Since
0.2.0