matcha/run-match matcha/float? 5)           ; =&gt; fails</pre></div></div><div class="public anchor" id="var-fn.3F"><h3>fn?</h3><div class="usage"></div><div class="doc"><pre class="plaintext">passes if the value is a function

(matcha/run-match matcha/fn? #()) ; =&gt; passes
(matcha/run-match matcha/fn? 5)   ; =&gt; fails</pre></div></div><div class="public anchor" id="var-format-message"><h3>format-message</h3><div class="usage"><code>(format-message result)</code></div><div class="doc"><pre class="plain