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sus-cmp-fn.min_by.html
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<!DOCTYPE html>
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<meta name="description" content="Compares and returns the minimum of two values with respect to the specified comparison function."></meta>
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<a href="#">min_by</a>
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<div class="sidebar-pretitle sidebar-text">
function
</div>
<div class="sidebar-title sidebar-text">
<a href="#">min_by</a>
</div>
<div class="sidebar-subtitle sidebar-text">
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<div class="function">
<div class="section overview">
<h1 class="section-header">
<span>
Function
</span>
<a class="project-name" href="index.html">Subspace</a>
<span class="namespace-dots">::</span>
<a class="namespace-name" href="namespace.sus.html">sus</a>
<span class="namespace-dots">::</span>
<a class="namespace-name" href="sus-namespace.cmp.html">cmp</a>
<span class="namespace-dots">::</span>
<a class="function-name" href="#">min_by</a>
</h1>
<div class="overload-set">
<div class="overload">
<div class="function-signature"><div class="src rightside"><a href="https://github.com/chromium/subspace/blob/main/sus/cmp/ord.h#L177">source</a></div><div class="template">template <class T></div><span class="function-auto">auto</span> <a class="function-name" href="#">min_by</a>(T a, T b, <a class="type-name" href="sus-fn-FnOnce.html" title="sus::fn::FnOnce">FnOnce</a><std::weak_ordering(<span class="const">const</span> std::remove_reference_t<T>&, <span class="const">const</span> std::remove_reference_t<T>&)> auto compare) -> T</div>
</div>
</div>
<div class="description long">
<p>Compares and returns the minimum of two values with respect to the specified
comparison function.</p>
<p>Returns the first argument if the comparison determines them to be equal.</p>
<p>By default this receives and returns objects by value. To receive and return
references, specify the type parameter, such as:
<code>sus::cmp::min_by<i32&>(a, b, c)</code>.</p>
<p>Note that if either input is a temporary object this can return a reference
to an object past its lifetime.</p>
</div>
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