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Learning Lab
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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), 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
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<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>
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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), 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>
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</li>
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<summary class="HeaderMenu-summary HeaderMenu-link px-0 py-3 border-0 no-wrap d-block d-lg-inline-block">
Pricing
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Plans
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<li>
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Compare plans
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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), Pricing&quot;,&quot;action&quot;:&quot;click to go to Contact Sales&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Contact Sales;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="10316edc311fafbcdf845d810fdb00f5268964c963fd08187aefc34a90d6ac86" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Pricing&quot;,&quot;action&quot;:&quot;click to go to Contact Sales&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Contact Sales;&quot;}" href="https://github.com/enterprise/contact">
Contact Sales
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<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), Pricing&quot;,&quot;action&quot;:&quot;click to go to Education&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Education;&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="9773eefef5145e32f50e125d61fa9b2d7864f4c8b69111c74109a2969701d3d1" data-analytics-event="{&quot;category&quot;:&quot;Header dropdown (logged out), Pricing&quot;,&quot;action&quot;:&quot;click to go to Education&quot;,&quot;label&quot;:&quot;ref_page:/ruby/rdoc;ref_cta:Education;&quot;}" href="https://education.github.com">
Education
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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>
</div>
</details>
</div>
<div class="flex-self-center ml-3 flex-self-stretch d-none d-lg-flex flex-items-center lh-condensed-ultra">
<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>
</svg>
<strong>7</strong>
<span class="color-fg-muted">branches</span>
</a>
<a data-pjax href="/ruby/rdoc/tags" class="ml-3 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-tag">
<path fill-rule="evenodd" d="M2.5 7.775V2.75a.25.25 0 01.25-.25h5.025a.25.25 0 01.177.073l6.25 6.25a.25.25 0 010 .354l-5.025 5.025a.25.25 0 01-.354 0l-6.25-6.25a.25.25 0 01-.073-.177zm-1.5 0V2.75C1 1.784 1.784 1 2.75 1h5.025c.464 0 .91.184 1.238.513l6.25 6.25a1.75 1.75 0 010 2.474l-5.026 5.026a1.75 1.75 0 01-2.474 0l-6.25-6.25A1.75 1.75 0 011 7.775zM6 5a1 1 0 100 2 1 1 0 000-2z"></path>
</svg>
<strong>82</strong>
<span class="color-fg-muted">tags</span>
</a>
</div>
<div class="flex-auto"></div>
<include-fragment data-test-selector="overview-actions-fragment" src="/ruby/rdoc/overview_actions/master"></include-fragment>
<span class="d-none d-md-flex ml-2">
<get-repo class="">
<details class="position-relative details-overlay details-reset js-codespaces-details-container"
data-action="toggle:get-repo#onDetailsToggle"
>
<summary data-hydro-click="{&quot;event_type&quot;:&quot;repository.click&quot;,&quot;payload&quot;:{&quot;repository_id&quot;:1194027,&quot;target&quot;:&quot;CLONE_OR_DOWNLOAD_BUTTON&quot;,&quot;originating_url&quot;:&quot;https://github.com/ruby/rdoc&quot;,&quot;user_id&quot;:null}}" data-hydro-click-hmac="bbb8eb9225866893166009dd37398b9b16fc00f120b1b4ea3d2a24a9e5edffb5" data-view-component="true" class="btn-primary btn"> Code<span class="dropdown-caret"></span>
</summary> <div class="position-relative">
<div class="dropdown-menu dropdown-menu-sw p-0" style="top:6px;width:378px;">
<include-fragment
src="/ruby/rdoc/code_menu_contents/master"
>
<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>
</include-fragment>
</div>
</div>
</details>
</get-repo>
</span>
</div>
<div class="Box mb-3">
<div class="Box-header position-relative">
<h2 class="sr-only">Latest commit</h2>
<div class="js-details-container Details d-flex rounded-top-1 flex-items-center flex-wrap" data-issue-and-pr-hovercards-enabled>
<include-fragment src="/ruby/rdoc/tree-commit/eea17e0de86113989fd73426fa8dd38d061fed67" class="d-flex flex-auto flex-items-center" aria-busy="true" aria-label="Loading latest commit">
<div class="Skeleton avatar avatar-user flex-shrink-0 ml-n1 mr-n1 mt-n1 mb-n1" style="width:24px;height:24px;"></div>
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</include-fragment> <div class="flex-shrink-0">
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<a data-pjax="#repo-content-pjax-container" href="/ruby/rdoc/commits/master" class="pl-3 pr-3 py-3 p-md-0 mt-n3 mb-n3 mr-n3 m-md-0 Link--primary no-underline no-wrap">
<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-history">
<path fill-rule="evenodd" d="M1.643 3.143L.427 1.927A.25.25 0 000 2.104V5.75c0 .138.112.25.25.25h3.646a.25.25 0 00.177-.427L2.715 4.215a6.5 6.5 0 11-1.18 4.458.75.75 0 10-1.493.154 8.001 8.001 0 101.6-5.684zM7.75 4a.75.75 0 01.75.75v2.992l2.028.812a.75.75 0 01-.557 1.392l-2.5-1A.75.75 0 017 8.25v-3.5A.75.75 0 017.75 4z"></path>
</svg>
<span class="d-none d-sm-inline">
<strong>3,252</strong>
<span aria-label="Commits on master" class="color-fg-muted d-none d-lg-inline">
commits
</span>
</span>
</a>
</li>
</ul>
</div>
</div>
</div>
<h2 id="files" class="sr-only">Files</h2>
<a class="d-none js-permalink-shortcut" data-hotkey="y" href="/ruby/rdoc/tree/eea17e0de86113989fd73426fa8dd38d061fed67">Permalink</a>
<div data-view-component="true" class="include-fragment-error flash flash-error flash-full py-2">
<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-alert">
<path fill-rule="evenodd" d="M8.22 1.754a.25.25 0 00-.44 0L1.698 13.132a.25.25 0 00.22.368h12.164a.25.25 0 00.22-.368L8.22 1.754zm-1.763-.707c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0114.082 15H1.918a1.75 1.75 0 01-1.543-2.575L6.457 1.047zM9 11a1 1 0 11-2 0 1 1 0 012 0zm-.25-5.25a.75.75 0 00-1.5 0v2.5a.75.75 0 001.5 0v-2.5z"></path>
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<svg aria-label="Directory" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-file-directory hx_color-icon-directory">
<path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path>
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<div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3">
<span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open Link--primary" title="This path skips through empty directories" data-pjax="#repo-content-pjax-container" href="/ruby/rdoc/tree/master/.github/workflows"><span class="color-fg-muted">.github/</span>workflows</a></span>
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<span class="css-truncate css-truncate-target d-block width-fit markdown-title">
<a data-pjax="true" title="Skip Ruby 2.5" class="Link--secondary" href="/ruby/rdoc/commit/11c97b082c99ddf135b379a3bdf2571299bb4e26">Skip Ruby 2.5</a>
</span>
</div>
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<time-ago datetime="2021-12-28T03:19:56Z" data-view-component="true" class="no-wrap">Dec 28, 2021</time-ago>
</div>
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<div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item ">
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<svg aria-label="Directory" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-file-directory hx_color-icon-directory">
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</svg>
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<div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3">
<span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open Link--primary" title="bin" data-pjax="#repo-content-pjax-container" href="/ruby/rdoc/tree/master/bin">bin</a></span>
</div>
<div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3" >
<span class="css-truncate css-truncate-target d-block width-fit markdown-title">
<a data-pjax="true" title="migrated bundle gem styles" class="Link--secondary" href="/ruby/rdoc/commit/4590446af937cac325b1a6542f29f776227b168c">migrated bundle gem styles</a>
</span>
</div>
<div role="gridcell" class="color-fg-muted text-right" style="width:100px;">
<time-ago datetime="2016-09-06T03:05:48Z" data-view-component="true" class="no-wrap">Sep 6, 2016</time-ago>
</div>
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<div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item ">
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<svg aria-label="Directory" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-file-directory hx_color-icon-directory">
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</svg>
</div>
<div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3">
<span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open Link--primary" title="exe" data-pjax="#repo-content-pjax-container" href="/ruby/rdoc/tree/master/exe">exe</a></span>
</div>
<div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3" >
<span class="css-truncate css-truncate-target d-block width-fit markdown-title">
<a data-pjax="true" title="migrated bundle gem styles" class="Link--secondary" href="/ruby/rdoc/commit/4590446af937cac325b1a6542f29f776227b168c">migrated bundle gem styles</a>
</span>
</div>
<div role="gridcell" class="color-fg-muted text-right" style="width:100px;">
<time-ago datetime="2016-09-06T03:05:48Z" data-view-component="true" class="no-wrap">Sep 6, 2016</time-ago>
</div>
</div>
<div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item ">
<div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;">
<svg aria-label="Directory" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-file-directory hx_color-icon-directory">
<path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path>
</svg>
</div>
<div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3">
<span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open Link--primary" title="lib" data-pjax="#repo-content-pjax-container" href="/ruby/rdoc/tree/master/lib">lib</a></span>
</div>
<div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3" >
<span class="css-truncate css-truncate-target d-block width-fit markdown-title">
<a data-pjax="true" title="Optimize RawLine by using a regexp instead of negative look-ahead rule
This improves the performance in some cases.
`rdoc .../gems/sinatra-2.1.0/README.md` takes 10.5 sec. before this
change, and 7.1 sec. after this change.
`make rdoc` of ruby/ruby takes 19.3 sec. before this change, 18.1 sec.
after this change." class="Link--secondary" href="/ruby/rdoc/commit/7cf8281e3e0fb36411ca73d84e1480dbf2752dd0">Optimize RawLine by using a regexp instead of negative look-ahead rule</a>
</span>
</div>
<div role="gridcell" class="color-fg-muted text-right" style="width:100px;">
<time-ago datetime="2021-12-28T02:49:09Z" data-view-component="true" class="no-wrap">Dec 28, 2021</time-ago>
</div>
</div>
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<svg aria-label="Directory" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-file-directory hx_color-icon-directory">
<path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path>
</svg>
</div>
<div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3">
<span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open Link--primary" title="man" data-pjax="#repo-content-pjax-container" href="/ruby/rdoc/tree/master/man">man</a></span>
</div>
<div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3" >
<span class="css-truncate css-truncate-target d-block width-fit markdown-title">
<a data-pjax="true" title="ri.1: rewrite ri man page
* man/ri.1: update the (very outdated) ri man page:
* update document date
* fix document title formatting and volume name
* update descriptions and options to current ri --help text
* fix some mdoc formatting errors (missing escaping of `\&#39;,
wrong macro for bullet list items)
* various rewordings and other improvements
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58410 b2dd03c8-39d4-4d8f-98ff-823fe69b080e" class="Link--secondary" href="/ruby/rdoc/commit/4b7727c6b74a0fbd9159c737b8e914ed22982a77">ri.1: rewrite ri man page</a>
</span>
</div>
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<time-ago datetime="2020-08-02T13:36:00Z" data-view-component="true" class="no-wrap">Aug 2, 2020</time-ago>
</div>
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<svg aria-label="Directory" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-file-directory hx_color-icon-directory">
<path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path>
</svg>
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<span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open Link--primary" title="This path skips through empty directories" data-pjax="#repo-content-pjax-container" href="/ruby/rdoc/tree/master/test/rdoc"><span class="color-fg-muted">test/</span>rdoc</a></span>
</div>
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<span class="css-truncate css-truncate-target d-block width-fit markdown-title">
<a data-pjax="true" title="Removed redundant tests" class="Link--secondary" href="/ruby/rdoc/commit/afb84518240ee8f76c5de048defbaa9371357d0e">Removed redundant tests</a>
</span>
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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>
</dd><dt>rdoc
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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>
</dd><dt>code quality
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<p dir="auto"><a href="https://codeclimate.com/github/ruby/rdoc" rel="nofollow"><img src="https://camo.githubusercontent.com/5fe6bae7d20b5e9be85ded62b55b755c5d86359b8d65c4f6fbad2325c15f71db/68747470733a2f2f636f6465636c696d6174652e636f6d2f6769746875622f727562792f72646f632f6261646765732f6770612e737667" alt="Code Climate" data-canonical-src="https://codeclimate.com/github/ruby/rdoc/badges/gpa.svg" style="max-width: 100%;"></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>
<h2 id="user-content-label-warranty" dir="auto"><a id="user-content-warranty-" class="anchor" aria-hidden="true" href="#warranty-"><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>Warranty<span><a href="#label-Warranty">¶</a> <a href="#top">↑</a></span></h2>
<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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</svg>
<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-check js-clipboard-check-icon color-fg-success d-none m-2">
<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>
</clipboard-copy>
</div>
</template>
</body>
</html>