libatd-ocaml - 2.2.1-1+b1 main

ATD stands for Adjustable Type Definitions. It is a type definition
language designed to accommodate a variety of programming languages and
data formats by the means of target-specific annotations. It supports
sum types, parametrized types and inheritance. The library provides a
parser and other tools useful for manipulating ATD type definitions.
.
This package contains the shared runtime libraries and plugins.