<HTML><BODY>This code work:&nbsp;<br><br><p style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" data-mce-style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo;"><span style="font-variant-ligatures: no-common-ligatures; color: #ba2da2;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #ba2da2;">let</span><span style="font-variant-ligatures: no-common-ligatures;" data-mce-style="font-variant-ligatures: no-common-ligatures;"> one: </span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #703daa;">Int</span><span style="font-variant-ligatures: no-common-ligatures;" data-mce-style="font-variant-ligatures: no-common-ligatures;">? = </span><span style="font-variant-ligatures: no-common-ligatures; color: #272ad8;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #272ad8;">5</span></p><p style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" data-mce-style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo;"><span style="font-variant-ligatures: no-common-ligatures; color: #ba2da2;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #ba2da2;">let</span><span style="font-variant-ligatures: no-common-ligatures;" data-mce-style="font-variant-ligatures: no-common-ligatures;"> two = </span><span style="font-variant-ligatures: no-common-ligatures; color: #272ad8;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #272ad8;">5</span></p><p style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" data-mce-style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo;"><span style="font-variant-ligatures: no-common-ligatures; color: #ba2da2;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #ba2da2;">let</span><span style="font-variant-ligatures: no-common-ligatures;" data-mce-style="font-variant-ligatures: no-common-ligatures;"> result = </span><span style="font-variant-ligatures: no-common-ligatures; color: #4f8187;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #4f8187;">one</span><span style="font-variant-ligatures: no-common-ligatures;" data-mce-style="font-variant-ligatures: no-common-ligatures;"> == </span><span style="font-variant-ligatures: no-common-ligatures; color: #4f8187;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #4f8187;">two</span></p><p style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo; min-height: 13px;" data-mce-style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo; min-height: 13px;">&nbsp;</p><p style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo; color: #4f8187;" data-mce-style="margin-bottom: 0px; font-size: 11px; line-height: normal; font-family: Menlo; color: #4f8187;"><span style="font-variant-ligatures: no-common-ligatures; color: #3e1e81;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #3e1e81;">print</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #000000;">(</span><span style="font-variant-ligatures: no-common-ligatures;" data-mce-style="font-variant-ligatures: no-common-ligatures;">result</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000;" data-mce-style="font-variant-ligatures: no-common-ligatures; color: #000000;">)</span><br><br>//print true</p><br>Why we can access to Optional value without unwrap within comparison operations?<br><br>-- <br>Седых Александр</BODY></HTML>