ef-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">map_to_char</span><span class="op">(</span><span class="va">mp</span>, <span class="va">...</span>, sep <span class="op">=</span> <span class="st">" "</span>, assignment <span class="op">=</span> <span class="st">"="</span>, quote_fn <span class="op">=</span> <span class="fu">base</span><span class="fu">::</span><span class="va"><a href="https://rdrr.io/r/base/shQuote.html" class="external-link">shQuote</a></span><