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docs: initial manual entry for lib/debug.nix

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It is more of a stub for now, but at least points to the right file.
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Profpatsch 2018-04-03 13:06:39 +02:00
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doc/functions.xml
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@ -294,6 +294,22 @@ merge:"diff3"
</section>
<section xml:id="sec-debug">
<title>Debugging Nix Expressions</title>
<para>Nix is a unityped, dynamic language, this means every value can
potentially appear anywhere. Since it is also non-strict, evaluation order
and what ultimately is evaluated might surprise you. Therefore it is important
to be able to debug nix expressions.</para>
<para>In the <literal>lib/debug.nix</literal> file you will find a number of
functions that help (pretty-)printing values while evaluation is runnnig. You
can even specify how deep these values should be printed recursively, and
transform them on the fly. Please consult the docstrings in
<literal>lib/debug.nix</literal> for usage information.</para>
</section>
<section xml:id="sec-fhs-environments">
<title>buildFHSUserEnv</title>