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<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Mobile&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Mobile;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="5c223c714e5a5aca0c86c2b641cfe66c22cfd0a0036a06c5f683bc0966ad3fce" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Mobile&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Mobile;&quot;}" href="/mobile">
Mobile
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Actions&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Actions;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="00c80dea59049e676a0c654b5aa3cd47d985afea808f69c051b6b93f2a22d649" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Actions&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Actions;&quot;}" href="/features/actions">
Actions
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Codespaces&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Codespaces;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="ffc08ca658f3b445a2f2cbff830cc1fe089994d07c1a1f2b2d195b0d3b4c4515" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Codespaces&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Codespaces;&quot;}" href="/features/codespaces">
Codespaces
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Packages&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Packages;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="a52dd1d8f1245d9a9714f45fefed71fb32c45b08b55d8169f6e7d3d9223b19c7" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Packages&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Packages;&quot;}" href="/features/packages">
Packages
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Security&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Security;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="8677f059b1dd3971838cf1906effa2bcfec2e7e842e1b1d4339effb6ac549cc0" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Security&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Security;&quot;}" href="/features/security">
Security
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Code review&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Code review;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="111e3f0672836b5e0b69a8e2daafdac26d4a558d6fb4b2bcbf559f87432a2dea" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Code review&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Code review;&quot;}" href="/features/code-review">
Code review
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Issues&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Issues;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="743ed27dec50840b219e5bbe4f5496dc4f5f8efd8dccf05037e187a04402f8be" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Issues&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Issues;&quot;}" href="/features/issues">
Issues
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Integrations&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Integrations;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="6314778d043f8ae061e936a5d2ee547d266e69bf4be33fb51db2c899461055d7" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Integrations&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Integrations;&quot;}" href="/features/integrations">
Integrations
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--primary text-bold border-top pt-4 pb-2 mt-3" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to GitHub Sponsors&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:GitHub Sponsors;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="d7c78e63d35869e086c9bc85cae6ecea41253eb6a09cb208d70323f65773698a" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to GitHub Sponsors&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:GitHub Sponsors;&quot;}" href="/sponsors">
GitHub Sponsors
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--primary text-bold py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Customer stories&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Customer stories;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="25de0da0786d87ec990f1dd5e81eb4614f4e790aef3ef4e9e028b8d7634ea08d" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Why GitHub?&quot;,&quot;action&quot;:&quot;click to go to Customer stories&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Customer stories;&quot;}" href="/customer-stories">
Customer stories
</a> </li>
</ul>
</div>
</details>
</li>
<li class="mr-0 mr-lg-3 position-relative flex-wrap flex-justify-between flex-items-center border-bottom border-lg-bottom-0 d-block d-lg-flex flex-lg-nowrap flex-lg-items-center">
<a class="HeaderMenu-link no-underline py-3 d-block d-lg-inline-block" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header menu top item (logged out)&quot;,&quot;action&quot;:&quot;click to go to Team&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Team;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="072852d36ae60e98283b6f65bd3f9a2664c813cfc64932a53450442ed4b6d564" data-analytics-event="{&quot;category&quot;:&quot;Header menu top item (logged out)&quot;,&quot;action&quot;:&quot;click to go to Team&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Team;&quot;}" href="/team">Team</a>
</li>
<li class="mr-0 mr-lg-3 position-relative flex-wrap flex-justify-between flex-items-center border-bottom border-lg-bottom-0 d-block d-lg-flex flex-lg-nowrap flex-lg-items-center">
<a class="HeaderMenu-link no-underline py-3 d-block d-lg-inline-block" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header menu top item (logged out)&quot;,&quot;action&quot;:&quot;click to go to Enterprise&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Enterprise;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="93cd7541c2ce65f540002fdc3921e76f6093b69f2aa480df53a078ab96922f18" data-analytics-event="{&quot;category&quot;:&quot;Header menu top item (logged out)&quot;,&quot;action&quot;:&quot;click to go to Enterprise&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Enterprise;&quot;}" href="/enterprise">Enterprise</a>
</li>
<li class="mr-0 mr-lg-3 position-relative flex-wrap flex-justify-between flex-items-center border-bottom border-lg-bottom-0 d-block d-lg-flex flex-lg-nowrap flex-lg-items-center">
<details class="HeaderMenu-details details-overlay details-reset width-full">
<summary class="HeaderMenu-summary HeaderMenu-link px-0 py-3 border-0 no-wrap d-block d-lg-inline-block">
Explore
<svg x="0" y="0" viewBox="0 0 14 8" xml:space="preserve" fill="none" class="icon-chevon-down-mktg position-absolute position-lg-relative"><path d="M1,1l6.2,6L13,1"></path></svg>
</summary>
<div class="dropdown-menu flex-auto rounded px-0 mt-0 pb-4 p-lg-4 position-relative position-lg-absolute left-0 left-lg-n4">
<ul class="list-style-none f5 pb-1">
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--primary text-bold py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Explore GitHub&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Explore GitHub;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="db638769983621064d36536876215db2a6dfd153a83533e90634790f89523eb5" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Explore GitHub&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Explore GitHub;&quot;}" href="/explore">
Explore GitHub
</a> </li>
<li class="color-fg-muted text-normal f6 text-mono mb-1 border-top pt-3 mt-3 mb-1">Learn and contribute</li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Topics&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Topics;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="91fcd020556115cd3667fdfdd2f7c80578f0c91e0430a77380a78c8af9d25f88" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Topics&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Topics;&quot;}" href="/topics">
Topics
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Collections&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Collections;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="ca262d8cc981c3a0c2338af81ba083d03564535d471dffa10a84d5a3a3c19c63" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Collections&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Collections;&quot;}" href="/collections">
Collections
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Trending&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Trending;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="48be742aff61f34e1d06b8c0b11d7e31afb1d0fe2ebd1331d9bf0962f9b282f0" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Trending&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Trending;&quot;}" href="/trending">
Trending
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Learning Lab&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Learning Lab;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="f18e439248ea4ce6851b092abdce44abcf38b68fd8172042b7f4ebc26916dc79" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Learning Lab&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Learning Lab;&quot;}" href="https://lab.github.com/">
Learning Lab
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Open source guides&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Open source guides;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="ef77e970110f5089bfa7d0756a64c506351cf5b53f02c6fd5bb758b84bb7486d" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Open source guides&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Open source guides;&quot;}" href="https://opensource.guide">
Open source guides
</a> </li>
<li class="color-fg-muted text-normal f6 text-mono mb-1 border-top pt-3 mt-3 mb-1">Connect with others</li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to The ReadME Project&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:The ReadME Project;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="b827b56f386d054caec169a28669a2d1cf0b09f7ebb42afe05be8c2e6cb59cef" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to The ReadME Project&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:The ReadME Project;&quot;}" href="/readme">
The ReadME Project
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Events&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Events;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="fd449c7dca858d87dcbfd07e983be6faf2504abbec5d5a11422715bfed2b0c75" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Events&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Events;&quot;}" href="/events">
Events
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Community forum&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Community forum;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="3be60a3809eef40fc28cab86a4f83330b6b0acd41cc8f01edccd0209a777df76" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to Community forum&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Community forum;&quot;}" href="https://github.community">
Community forum
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to GitHub Education&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:GitHub Education;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="6126a225fea17a08ebc33597a5c4f03ca786bac85a47119ad0afb5860eaad9d3" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to GitHub Education&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:GitHub Education;&quot;}" href="https://education.github.com">
GitHub Education
</a> </li>
<li>
<a class="lh-condensed-ultra d-block no-underline position-relative Link--secondary py-2" data-hydro-click="{&quot;event_type&quot;:&quot;analytics.event&quot;,&quot;payload&quot;:{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to GitHub Stars program&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:GitHub Stars program;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="596f9f0028f67d1a0568eb88a45c743736feb64b13331c44558350ed68ea9c24" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Explore&quot;,&quot;action&quot;:&quot;click to go to GitHub Stars program&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:GitHub Stars program;&quot;}" href="https://stars.github.com">
GitHub Stars program
</a> </li>
</ul>
</div>
</details>
</li>
<li class="mr-0 mr-lg-3 position-relative flex-wrap flex-justify-between flex-items-center border-bottom border-lg-bottom-0 d-block d-lg-flex flex-lg-nowrap flex-lg-items-center">
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data-hotkey="w"
title="Switch branches or tags">
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<div class="SelectMenu-filter">
<input data-target="input-demux.source"
id="context-commitish-filter-field"
class="SelectMenu-input form-control"
aria-owns="ref-list-branches"
data-controls-ref-menu-id="ref-list-branches"
autofocus
autocomplete="off"
aria-label="Filter branches/tags"
placeholder="Filter branches/tags"
type="text"
>
</div>
<div class="SelectMenu-tabs" role="tablist" data-target="input-demux.control" >
<button class="SelectMenu-tab" type="button" role="tab" aria-selected="true">Branches</button>
<button class="SelectMenu-tab" type="button" role="tab">Tags</button>
</div>
<div role="tabpanel" id="ref-list-branches" data-filter-placeholder="Filter branches/tags" tabindex="" class="d-flex flex-column flex-auto overflow-auto">
<ref-selector
type="branch"
data-targets="input-demux.sinks"
data-action="
input-entered:ref-selector#inputEntered
tab-selected:ref-selector#tabSelected
focus-list:ref-selector#focusFirstListMember
"
query-endpoint="/ruby/rdoc/refs"
cache-key="v0:1640333067.692189"
current-committish="bWFzdGVy"
default-branch="bWFzdGVy"
name-with-owner="cnVieS9yZG9j"
prefetch-on-mouseover
>
<template data-target="ref-selector.fetchFailedTemplate">
<div class="SelectMenu-message" data-index="{{ index }}">Could not load branches</div>
</template>
<template data-target="ref-selector.noMatchTemplate">
<div class="SelectMenu-message">Nothing to show</div>
</template>
<!-- TODO: this max-height is necessary or else the branch list won't scroll. why? -->
<div data-target="ref-selector.listContainer" role="menu" class="SelectMenu-list " style="max-height: 330px" data-pjax="#repo-content-pjax-container">
<div class="SelectMenu-loading pt-3 pb-0 overflow-hidden" aria-label="Menu is loading">
<svg style="box-sizing: content-box; color: var(--color-icon-primary);" width="32" height="32" viewBox="0 0 16 16" fill="none" data-view-component="true" class="anim-rotate">
<circle cx="8" cy="8" r="7" stroke="currentColor" stroke-opacity="0.25" stroke-width="2" vector-effect="non-scaling-stroke" />
<path d="M15 8a7.002 7.002 0 00-7-7" stroke="currentColor" stroke-width="2" stroke-linecap="round" vector-effect="non-scaling-stroke" />
</svg>
</div>
</div>
<template data-target="ref-selector.itemTemplate">
<a href="https://github.com/ruby/rdoc/tree/{{ urlEncodedRefName }}" class="SelectMenu-item" role="menuitemradio" rel="nofollow" aria-checked="{{ isCurrent }}" data-index="{{ index }}">
<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-check SelectMenu-icon SelectMenu-icon--check">
<path fill-rule="evenodd" d="M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 011.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z"></path>
</svg>
<span class="flex-1 css-truncate css-truncate-overflow {{ isFilteringClass }}">{{ refName }}</span>
<span hidden="{{ isNotDefault }}" class="Label Label--secondary flex-self-start">default</span>
</a>
</template>
<footer class="SelectMenu-footer"><a href="/ruby/rdoc/branches">View all branches</a></footer>
</ref-selector>
</div>
<div role="tabpanel" id="tags-menu" data-filter-placeholder="Find a tag" tabindex="" hidden class="d-flex flex-column flex-auto overflow-auto">
<ref-selector
type="tag"
data-action="
input-entered:ref-selector#inputEntered
tab-selected:ref-selector#tabSelected
focus-list:ref-selector#focusFirstListMember
"
data-targets="input-demux.sinks"
query-endpoint="/ruby/rdoc/refs"
cache-key="v0:1640333067.692189"
current-committish="bWFzdGVy"
default-branch="bWFzdGVy"
name-with-owner="cnVieS9yZG9j"
>
<template data-target="ref-selector.fetchFailedTemplate">
<div class="SelectMenu-message" data-index="{{ index }}">Could not load tags</div>
</template>
<template data-target="ref-selector.noMatchTemplate">
<div class="SelectMenu-message" data-index="{{ index }}">Nothing to show</div>
</template>
<template data-target="ref-selector.itemTemplate">
<a href="https://github.com/ruby/rdoc/tree/{{ urlEncodedRefName }}" class="SelectMenu-item" role="menuitemradio" rel="nofollow" aria-checked="{{ isCurrent }}" data-index="{{ index }}">
<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-check SelectMenu-icon SelectMenu-icon--check">
<path fill-rule="evenodd" d="M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 011.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z"></path>
</svg>
<span class="flex-1 css-truncate css-truncate-overflow {{ isFilteringClass }}">{{ refName }}</span>
<span hidden="{{ isNotDefault }}" class="Label Label--secondary flex-self-start">default</span>
</a>
</template>
<div data-target="ref-selector.listContainer" role="menu" class="SelectMenu-list" style="max-height: 330px" data-pjax="#repo-content-pjax-container">
<div class="SelectMenu-loading pt-3 pb-0 overflow-hidden" aria-label="Menu is loading">
<svg style="box-sizing: content-box; color: var(--color-icon-primary);" width="32" height="32" viewBox="0 0 16 16" fill="none" data-view-component="true" class="anim-rotate">
<circle cx="8" cy="8" r="7" stroke="currentColor" stroke-opacity="0.25" stroke-width="2" vector-effect="non-scaling-stroke" />
<path d="M15 8a7.002 7.002 0 00-7-7" stroke="currentColor" stroke-width="2" stroke-linecap="round" vector-effect="non-scaling-stroke" />
</svg>
</div>
</div>
<footer class="SelectMenu-footer"><a href="/ruby/rdoc/tags">View all tags</a></footer>
</ref-selector>
</div>
</tab-container>
</input-demux>
</div>
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</details>
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<a data-pjax href="/ruby/rdoc/branches" class="Link--primary no-underline">
<svg text="gray" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-git-branch">
<path fill-rule="evenodd" d="M11.75 2.5a.75.75 0 100 1.5.75.75 0 000-1.5zm-2.25.75a2.25 2.25 0 113 2.122V6A2.5 2.5 0 0110 8.5H6a1 1 0 00-1 1v1.128a2.251 2.251 0 11-1.5 0V5.372a2.25 2.25 0 111.5 0v1.836A2.492 2.492 0 016 7h4a1 1 0 001-1v-.628A2.25 2.25 0 019.5 3.25zM4.25 12a.75.75 0 100 1.5.75.75 0 000-1.5zM3.5 3.25a.75.75 0 111.5 0 .75.75 0 01-1.5 0z"></path>
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<h1 id="user-content-label-rdoc+-+ruby+documentation+system" dir="auto"><a id="user-content-rdoc---ruby-documentation-system-" class="anchor" aria-hidden="true" href="#rdoc---ruby-documentation-system-"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>RDoc - Ruby Documentation System<span><a href="#label-RDoc+-+Ruby+Documentation+System">¶</a> <a href="#top">↑</a></span></h1>
<dl><dt>home
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<p dir="auto"><a href="https://github.com/ruby/rdoc">github.com/ruby/rdoc</a></p>
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<p dir="auto"><a href="https://ruby.github.io/rdoc" rel="nofollow">ruby.github.io/rdoc</a></p>
</dd><dt>bugs
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<p dir="auto"><a href="https://github.com/ruby/rdoc/issues">github.com/ruby/rdoc/issues</a></p>
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<h2 id="user-content-label-description" dir="auto"><a id="user-content-description-" class="anchor" aria-hidden="true" href="#description-"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Description<span><a href="#label-Description">¶</a> <a href="#top">↑</a></span></h2>
<p dir="auto">RDoc produces HTML and command-line documentation for Ruby projects. RDoc includes the <code>rdoc</code> and <code>ri</code> tools for generating and displaying documentation from the command-line.</p>
<h2 id="user-content-label-generating+documentation" dir="auto"><a id="user-content-generating-documentation-" class="anchor" aria-hidden="true" href="#generating-documentation-"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Generating Documentation<span><a href="#label-Generating+Documentation">¶</a> <a href="#top">↑</a></span></h2>
<p dir="auto">Once installed, you can create documentation using the <code>rdoc</code> command</p>
<pre>$ rdoc [options] [names...]</pre>
<p dir="auto">For an up-to-date option summary, type</p>
<pre>$ rdoc --help</pre>
<p dir="auto">A typical use might be to generate documentation for a package of Ruby source (such as RDoc itself).</p>
<pre>$ rdoc</pre>
<p dir="auto">This command generates documentation for all the Ruby and C source files in and below the current directory. These will be stored in a documentation tree starting in the subdirectory <code>doc</code>.</p>
<p dir="auto">You can make this slightly more useful for your readers by having the index page contain the documentation for the primary file. In our case, we could type</p>
<pre>% rdoc --main README.rdoc</pre>
<p dir="auto">You'll find information on the various formatting tricks you can use in comment blocks in the documentation this generates.</p>
<p dir="auto">RDoc uses file extensions to determine how to process each file. File names ending <code>.rb</code> and <code>.rbw</code> are assumed to be Ruby source. Files ending <code>.c</code> are parsed as C files. All other files are assumed to contain just Markup-style markup (with or without leading '#' comment markers). If directory names are passed to RDoc, they are scanned recursively for C and Ruby source files only.</p>
<p dir="auto">To generate documentation using <code>rake</code> see <a href="https://ruby.github.io/rdoc/RDocTask.html" rel="nofollow">RDoc::Task</a>.</p>
<p dir="auto">To generate documentation programmatically:</p>
<pre><span>gem</span> <span>'rdoc'</span>
<span>require</span> <span>'rdoc/rdoc'</span>
<span>options</span> = <span>RDoc</span><span>::</span><span>Options</span>.<span>new</span>
<span># see RDoc::Options</span>
<span>rdoc</span> = <span>RDoc</span><span>::</span><span>RDoc</span>.<span>new</span>
<span>rdoc</span>.<span>document</span> <span>options</span>
<span># see RDoc::RDoc</span>
</pre>
<h2 id="user-content-label-writing+documentation" dir="auto"><a id="user-content-writing-documentation-" class="anchor" aria-hidden="true" href="#writing-documentation-"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Writing Documentation<span><a href="#label-Writing+Documentation">¶</a> <a href="#top">↑</a></span></h2>
<p dir="auto">To write documentation for RDoc place a comment above the class, module, method, constant, or attribute you want documented:</p>
<pre><span>##</span>
<span># This class represents an arbitrary shape by a series of points.</span>
<span>class</span> <span>Shape</span>
<span>##</span>
<span># Creates a new shape described by a +polyline+.</span>
<span>#</span>
<span># If the +polyline+ does not end at the same point it started at the</span>
<span># first pointed is copied and placed at the end of the line.</span>
<span>#</span>
<span># An ArgumentError is raised if the line crosses itself, but shapes may</span>
<span># be concave.</span>
<span>def</span> <span>initialize</span> <span>polyline</span>
<span># ...</span>
<span>end</span>
<span>end</span>
</pre>
<p dir="auto">The default comment markup format is the RDoc::Markup format. TomDoc, Markdown and RD format comments are also supported. You can set the default comment format for your entire project by creating a <code>.rdoc_options</code> file. See RDoc::Options@Saved+Options for instructions on creating one. You can also set the comment format for a single file through the <code>:markup:</code> directive, but this is only recommended if you wish to switch markup formats. See RDoc::Markup@Other+directives.</p>
<p dir="auto">Comments can contain directives that tell RDoc information that it cannot otherwise discover through parsing. See RDoc::Markup@Directives to control what is or is not documented, to define method arguments or to break up methods in a class by topic. See RDoc::Parser::Ruby for directives used to teach RDoc about metaprogrammed methods.</p>
<p dir="auto">See RDoc::Parser::C for documenting C extensions with RDoc.</p>
<p dir="auto">To determine how well your project is documented run <code>rdoc -C lib</code> to get a documentation coverage report. <code>rdoc -C1 lib</code> includes parameter names in the documentation coverage report.</p>
<h2 id="user-content-label-bugs" dir="auto"><a id="user-content-bugs-" class="anchor" aria-hidden="true" href="#bugs-"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Bugs<span><a href="#label-Bugs">¶</a> <a href="#top">↑</a></span></h2>
<p dir="auto">See CONTRIBUTING@Bugs for information on filing a bug report. It's OK to file a bug report for anything you're having a problem with. If you can't figure out how to make RDoc produce the output you like that is probably a documentation bug.</p>
<h2 id="user-content-label-license" dir="auto"><a id="user-content-license-" class="anchor" aria-hidden="true" href="#license-"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>License<span><a href="#label-License">¶</a> <a href="#top">↑</a></span></h2>
<p dir="auto">RDoc is Copyright © 2001-2003 Dave Thomas, The Pragmatic Programmers. Portions © 2007-2011 Eric Hodel. Portions copyright others, see individual files and LEGAL.rdoc for details.</p>
<p dir="auto">RDoc is free software, and may be redistributed under the terms specified in LICENSE.rdoc.</p>
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<p dir="auto">This software is provided “as is” and without any express or implied warranties, including, without limitation, the implied warranties of merchantability and fitness for a particular purpose.</p>
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<span>96.9%</span>
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