<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">That's not how extensions in Swift work. All of those functions are definitely available.</div><div class=""><br class=""></div><div class="">Barbara, can you post your source somewhere? And can you check that your Docker image is actually new enough, using `swift --version`? (The Swift project doesn't publish an official Docker image, so unless you made it yourself from a package at <a href="http://swift.org" class="">swift.org</a> you could easily be using something out-of-date.)</div><div class=""><br class=""></div><div class="">Jordan</div><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Sep 25, 2017, at 15:06, Людвиг Вальда Васкес via swift-users <<a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Interesting, those extensions aren't public for some reason which prevents their usage from outside of Foundation module. I’m curious if that was intentional due to unfinished work or something or they just forgot to export them.<div class=""><div class=""><br class=""></div><div class="">Best regards,</div><div class="">Ludwig</div></div><div class=""><br class=""><blockquote type="cite" class=""><div class="">25 сент. 2017 г., в 16:40, Barbara Reichart via swift-users <<a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a>> написал(а):</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">Hi,</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class=""></span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">I am using swift in a docker container. Now I wanted to use NSRange, which according to the page is already fully implemented for linux.</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">However when I try to use 'lowerBound' or 'upperBound' it gives me the following error:</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class=""></span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">error: value of type 'NSRange' (aka '_NSRange') has no member 'lowerBound'</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class=""></span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">I have looked into the implementation of NSRange in <a href="https://github.com/apple/swift-corelibs-foundation/blob/master/Foundation/NSRange.swift" class="">corelibs-foundation</a>, where I can see that both properties have been defined in an extension.</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">Unfortunately, it seems that I can only use things defined on _NSRange and not on its alias NSRange. Do you guys have any idea, what I am doing wrong?</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class=""></span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">Best regards,</span></div><div style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">Barbara</span></div></div>
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