<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Mar 25, 2019 at 8:36 PM Fred Hebert <<a href="mailto:mononcqc@ferd.ca">mononcqc@ferd.ca</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><br></div><div class="gmail_quote"><div>OTP-21 includes the new BIFs erlang:map_get(Key, Map) and erlang:map_size(Map) for these reasons. Only lists:member is missing. <br></div></div></div>
</blockquote></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Indeed! Though the documentation doesn't have them as "Allowed in guard tests". We can live without is_key, if we just test against true for now. I tried looking it up and the documentation didn't have them as allowed. But perhaps the code actually allows them if I just tried doing it?<br></div><div><br></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature">J.</div></div>