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<h1>Module <a href="type_Combine.html">Combine</a></h1>
<pre><span class="keyword">module</span> Combine: <code class="code">sig</code> <a href="Combine.html">..</a> <code class="code">end</code></pre><div class="info module top">
This module defines the elements needed to evaluate a 'combine'
expression.<br>
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<pre><code><span id="TYPEerror"><span class="keyword">type</span> <code class="type"></code>error</span> = </code></pre><table class="typetable">
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<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTerror.Parsing_error"><span class="constructor">Parsing_error</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
</tr>
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<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTerror.Invalid_operands"><span class="constructor">Invalid_operands</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
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<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTerror.Invalid_function_parameters"><span class="constructor">Invalid_function_parameters</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
</tr>
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<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTerror.Unknown_function"><span class="constructor">Unknown_function</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
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<code><span class="keyword">|</span></code></td>
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<code><span id="TYPEELTerror.Invalid_result_kind"><span class="constructor">Invalid_result_kind</span></span></code></td>
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<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTerror.Evaluation_error"><span class="constructor">Evaluation_error</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
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<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTerror.Invalid_path"><span class="constructor">Invalid_path</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
<td class="typefieldcomment" align="left" valign="top" ><code>(*</code></td><td class="typefieldcomment" align="left" valign="top" >The type of error that can occur during parsing or evaluation.</td><td class="typefieldcomment" align="left" valign="bottom" ><code>*)</code></td>
</tr></table>
<pre><span id="VALstring_of_error"><span class="keyword">val</span> string_of_error</span> : <code class="type"><a href="Combine.html#TYPEerror">error</a> -> string</code></pre><div class="info ">
Converts the passed error into a string.<br>
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<pre><span id="EXCEPTIONException"><span class="keyword">exception</span> Exception</span> <span class="keyword">of</span> <code class="type"><a href="Combine.html#TYPEerror">error</a></code></pre>
<div class="info ">
The exception raised when an error occurs during parsing or
evaluation.<br>
</div>
<pre><span id="VALeval"><span class="keyword">val</span> eval</span> : <code class="type">string -> (string, int array) Hashtbl.t</code></pre><div class="info ">
<code class="code">eval s</code> parses and evaluates expression <code class="code">s</code>, returning a data set.
<p>
Raises <code class="code">Exception</code> if <code class="code">s</code> cannot be parsed or evaluated.<br>
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