get_aes_var

extract aes mapping, compatible with ggplot2 &lt; 2.3.0 &amp; &gt; 2.3.0

Useful functions and utilities for 'ggplot' object (e.g., geometric layers, themes, and utilities to edit the object).

Guangchuang Yu

<dl><dt>mapping</dt>
<dd>aes mapping</dd>
<dt>var</dt>
<dd>variable</dd></dl>

<dl>

<dt>mapping</dt>
<dd>aes mapping</dd>


<dt>var</dt>
<dd>variable</dd>

</dl>