R does this [1]. It is the sentinel that it uses internally to represent a missing value (i.e. NA) in integer arrays. Integer operations overflow to this value.

R does this [1]. It is the sentinel that it uses internally to represent a missing value (i.e. NA) in integer arrays. Integer operations overflow to this value. [1] https://stackoverflow.com/a/56507840/1485877 https://stackoverflow.com/a/56507840/1485877