ex.html#type-pipe">Core.pipe</a></span></code></div></div><div class="odoc-spec"><div class="spec exception anchored" id="exception-Subprocess_error"><a href="#exception-Subprocess_error" class="anchor"></a><code><span><span class="keyword">exception</span> </span><span><span class="exception">Subprocess_error</span> <span class="keyword">of</span> string</span></code></div><div class="spec-doc"><p>When the library raises, it always raises a Subprocess_error of string.</p></div></div><div class="odoc-spec">