<divclass="platform-hinted "data-platform-hinted="data-platform-hinted"><divclass="content sourceset-depenent-content"data-active=""data-togglable=":kmath-symja:dokkaHtmlPartial/main"><divclass="symbol monospace"><spanclass="token keyword"></span><spanclass="token keyword">fun </span><ahref="https://axelclk.bitbucket.io/symja/javadoc/org/matheclipse/core/interfaces/IExpr.html">IExpr</a><spanclass="token punctuation">.</span><ahref="to-mst.html"><spanclass="token function">toMst</span></a><spanclass="token punctuation">(</span>evaluator<spanclass="token operator">: </span><ahref="https://axelclk.bitbucket.io/symja/javadoc/org/matheclipse/core/eval/ExprEvaluator.html">ExprEvaluator</a><spanclass="token operator"> = </span>DEFAULT_EVALUATOR<spanclass="token punctuation">)</span><spanclass="token operator">: </span><ahref="../../kmath-core/space.kscience.kmath.expressions/-m-s-t/index.html">MST</a><spanclass="top-right-position"><spanclass="copy-icon"></span><divclass="copy-popup-wrapper popup-to-left"><spanclass="copy-popup-icon"></span><span>Content copied to clipboard</span></div></span></div><pclass="paragraph">Matches the given <ahref="https://axelclk.bitbucket.io/symja/javadoc/org/matheclipse/core/interfaces/IExpr.html">IExpr</a> instance to appropriate <ahref="../../kmath-core/space.kscience.kmath.expressions/-m-s-t/index.html">MST</a> node or evaluates it with <ahref="to-mst.html">evaluator</a>.</p></div></div>