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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://srcux.com/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>ada@gentoo.org</email>
</maintainer>
<longdescription lang="en">
Why3 is a platform for deductive program verification. It provides a
rich language for specification and programming, called WhyML, and
relies on external theorem provers, both automated and interactive, to
discharge verification conditions. Why3 comes with a standard library
of logical theories (integer and real arithmetic, Boolean operations,
sets and maps, etc.) and basic programming data structures (arrays,
queues, hash tables, etc.). A user can write WhyML programs directly
and get correct-by-construction OCaml programs through an automated
extraction mechanism. WhyML is also used as an intermediate language
for the verification of C, Java, or Ada programs.
</longdescription>
<use>
<flag name="coq">Add <pkg>sci-mathematics/coq</pkg> support</flag>
<flag name="html">Build HTML documentation</flag>
<flag name="hypothesis-selection">Enable hypothesis selection</flag>
<flag name="sexp">Add support for outputting S-expressions with <pkg>dev-ml/ppx_sexp_conv</pkg>
</flag>
<flag name="zarith">Use Zarith (<pkg>dev-ml/zarith</pkg>) instead of Nums (<pkg>dev-ml/num</pkg>) for computations</flag>
<flag name="zip">Enable compression of session files</flag>
</use>
<origin>srcux</origin>
</pkgmetadata>
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