擅长:python、mysql、java
<p><a href="http://www.ruby-doc.org/core-2.0.0/Kernel.html#method-i-eval">Googling "ruby eval" quickly reveals that the answer is yes.</a></p>
<blockquote>
<p>eval(string [, binding [, filename [,lineno]]]) → obj</p>
<p>Evaluates the Ruby expression(s) in <em>string</em>. If <em>binding</em> is given, which
must be a <code>Binding</code> object, the evaluation is performed in its context.
If the optional <em>filename</em> and <em>lineno</em> parameters are present, they will
be used when reporting syntax errors.</p>
</blockquote>