idea">import kotools.types.number.strictlyNegativeIntOrNull<br></code></pre><span class="top-right-position"><span class="copy-icon"></span><div class="copy-popup-wrapper popup-to-left"><span class="copy-popup-icon"></span><span>Content copied to clipboard</span></div></span></div><div class="sample-container"><pre><code class="monospace block lang-kotlin" theme="idea">strictlyNegativeIntOrNull(value)</code></pre><span class="top-right-position"><span class="copy-icon"></span><div class="copy-popup-wrapper 