nge of iterators. Note also that (2) they may have different behavior than standard-algorithms.</div>
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<div>Regarding (1):</div>
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<div>Imagine that you have a std::set of a million integers and you want to find a specific value x. These are your options:</div>
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<div><span style="font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures">std::set&lt;std::size_t&gt; s;<br/>
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