libatd-ocaml - 2.16.0-2+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.
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This package contains the shared runtime libraries and plugins.