functiongenerator.html

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<html><head><title>R: Function Generator Constructor</title>
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<table width="100%" summary="page for FunctionGenerator {tm}"><tr><td>FunctionGenerator {tm}</td><td align="right">R Documentation</td></tr></table>
<h2>Function Generator Constructor</h2>


<h3>Description</h3>

<p>
Constructs a function generator object.
</p>


<h3>Usage</h3>

<pre>
## S4 method for signature 'function':
FunctionGenerator(object)
</pre>


<h3>Arguments</h3>

<table summary="R argblock">
<tr valign="top"><td><code>object</code></td>
<td>
a generator function which takes some input
and constructs and returns a new function based on
that input information.</td></tr>
</table>

<h3>Value</h3>

<p>
An S4 object of class <code>FunctionGenerator</code> which extends the class
<code>function</code> representing a function generator.</p>

<h3>Author(s)</h3>

<p>
Ingo Feinerer
</p>


<h3>See Also</h3>

<p>
Many reader functions are function generators, e.g.,
<code><a href="readPlain.html">readPlain</a></code>.
</p>


<h3>Examples</h3>

<pre>
funGen &lt;- FunctionGenerator(function(y, ...) {
if (is(y, "integer")) function(x) x+1 else function(x) x-1
})
funGen
funGen(3L)
funGen("a")
</pre>



<hr><div align="center">[Package <em>tm</em> version 0.3 <a href="00Index.html">Index]</a></div>

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