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<htmlxmlns="http://www.w3.org/1999/xhtml"><head><title>PurityDomain (infer.Checkers.PurityDomain)</title><linkrel="stylesheet"href="../../../odoc.css"/><metacharset="utf-8"/><metaname="generator"content="odoc 1.5.1"/><metaname="viewport"content="width=device-width,initial-scale=1.0"/><scriptsrc="../../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><divclass="content"><header><nav><ahref="../index.html">Up</a>–<ahref="../../index.html">infer</a>»<ahref="../index.html">Checkers</a>» PurityDomain</nav><h1>Module <code>Checkers.PurityDomain</code></h1></header><divclass="spec module"id="module-ModifiedParamIndices"><ahref="#module-ModifiedParamIndices"class="anchor"></a><code><spanclass="keyword">module</span><ahref="ModifiedParamIndices/index.html">ModifiedParamIndices</a> : <spanclass="keyword">sig</span> ... <spanclass="keyword">end</span></code></div><div><divclass="spec include"><divclass="doc"><detailsopen="open"><summary><spanclass="def"><code><spanclass="keyword">include</span><ahref="../../Absint/AbstractDomain/index.html#module-type-S">Absint.AbstractDomain.S</a><spanclass="keyword">with</span><spanclass="keyword">type</span><ahref="../../Absint/AbstractDomain/module-type-S/index.html#type-t">t</a> = <span><ahref="ModifiedParamIndices/index.html#type-t">ModifiedParamIndices.t</a><ahref="../../Absint/AbstractDomain/Types/index.html#type-top_lifted">Absint.AbstractDomain.Types.top_lifted</a></span></code></span></summary><div><divclass="spec include"><divclass="doc"><detailsopen="open"><summary><spanclass="def"><code><spanclass="keyword">include</span><ahref="../../Absint/AbstractDomain/index.html#module-type-NoJoin">Absint.AbstractDomain.NoJoin</a></code></span></summary><div><divclass="spec include"><divclass="doc"><detailsopen="open"><summary><spanclass="def"><code><spanclass="keyword">include</span><ahref="../../IStdlib/PrettyPrintable/index.html#module-type-PrintableType">IStdlib.PrettyPrintable.PrintableType</a></code></span></summary><dl><dtclass="spec type"id="type-t"><ahref="#type-t"class="anchor"></a><code><spanclass="keyword">type</span> t</code></dt></dl><dl><dtclass="spec value"id="val-pp"><ahref="#val-pp"class="anchor"></a><code><spanclass="keyword">val</span> pp : <ahref="../../IStdlib/PrettyPrintable/index.html#module-F">IStdlib.PrettyPrintable.F</a>.formatter <span>-></span><ahref="index.html#type-t">t</a><span>-></span> unit</code></dt></dl></details></div></div></div><dl><dtclass="spec value"id="val-leq"><ahref="#val-leq"class="anchor"></a><code><spanclass="keyword">val</span> leq : <span>lhs:<ahref="index.html#type-t">t</a></span><span>-></span><span>rhs:<ahref="index.html#type-t">t</a></span><span>-></span> bool</code></dt><dd><p>the implication relation: <code>lhs <= rhs</code> means <code>lhs |- rhs</code></p></dd></dl></details></div></div></div><dl><dtclass="spec value"id="val-join"><ahref="#val-join"class="anchor"></a><code><spanclass="keyword">val</span> join : <ahref="index.html#type-t">t</a><span>-></span><ahref="index.html#type-t">t</a><span>-></span><ahref="index.html#type-t">t</a></code></dt><dtclass="spec value"id="val-widen"><ahref="#val-widen"class="anchor"></a><code><spanclass="keyword">val</span> widen : <span>prev:<ahref="index.html#type-t">t</a></span><span>-></span><span>next:<ahref="index.html#type-t">t</a></span><span>-></span><span>num_iters:int</span><span>-></span><ahref="index.html#type-t">t</a></code></dt></dl></details></div></div></div><dl><dtclass="spec value"id="val-pure"><ahref="#val-pure"class="anchor"></a><code><spanclass="keyword">val</span> pure : <ahref="index.html#type-t">t</a></code></dt><dd><p>Pure abstract state: no side-effect on parameters and global values. The return value depends only on the value of parameters.</p></dd></dl><dl><dtclass="spec value"id="val-impure_global"><ahref="#val-impure_global"class="anchor"></a><code><spanclass="keyword">val</span> impure_global : <ahref="index.html#type-t">t</a></code></dt><dd><p>Impure abstract state: there may be side-effect on the parameters or global values. Or the return value may depend on the machine state, e.g. `Math.random`.</p></dd></dl><dl><dtclass="spec value"id="val-impure_params"><ahref="#val-impure_params"class="anchor"></a><code><spanclass="keyword">val</span> impure_params : <ahref="ModifiedParamIndices/index.html#type-t">ModifiedParamIndices.t</a><span>-></span><ahref="index.html#type-t">t</a></code></dt><dd><p>Impure abstract state: there may be side-effect on the parameters, but not on global values.</p></dd></dl><dl><dtclass="spec value"id="val-is_pure"><ahref="#val-is_pure"class="anchor"></a><code><spanclass="keyword">val</span> is_pure : <ahref="index.html#type-t">t</a><span>-></span> bool</code></dt><dtclass="spec value"id="val-all_params_modified"><ahref="#val-all_params_modified"class="anchor"></a><code><spanclass="keyword">val</span> all_params_modified : <span><span>(<ahref="../../IR/Exp/index.html#type-t">IR.Exp.t</a> * <ahref="../../IR/Typ/index.html#type-t">IR.Typ.t</a>)</span> list</span><span>-></span><ahref="ModifiedParamIndices/index.html#type-t">ModifiedParamIndices.t</a></code></dt></dl><dl><dtclass="spec type"id="type-summary"><ahref="#type-summary"class="anchor"></a><code><spanclass="keyword">type</span> summary</code><code> = <ahref="index.html#type-t">t</a></code></dt></dl><dl><dtclass="spec value"id="val-pp_summary"><ahref="#val-pp_summary"class="anchor"></a><code><spanclass="keyword">val</span> pp_summary : Stdlib.Format.formatter <span>-></span><ahref="index.html#type-t">t</a><span>-></span> unit</code></dt></dl></div></body></html>
