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optional
A library for representing optional (nullable) objects in C++.
optional<int> readInt(); // this function may return either an int or a not-an-int
if (optional<int> oi = readInt()) // did I get a real int
cout << "my int is: " << *oi; // use my int
else
cout << "I have no int";
For more information refer to the documentation provided with this library.
All Contributors
<h1>optional</h1> <p>A library for representing optional (nullable) objects in C++.</p> <pre class="highlightjs highlight"><code class="language-cpp hljs">optional<int> readInt(); // this function may return either an int or a not-an-int if (optional<int> oi = readInt()) // did I get a real int cout << "my int is: " << *oi; // use my int else cout << "I have no int"; </code></pre> <p>For more information refer to the documentation provided with this library.</p>
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<h1>optional</h1> <p>A library for representing optional (nullable) objects in C++.</p> <pre class="highlightjs highlight"><code class="language-cpp hljs">optional<int> readInt(); // this function may return either an int or a not-an-int if (optional<int> oi = readInt()) // did I get a real int cout << "my int is: " << *oi; // use my int else cout << "I have no int"; </code></pre> <p>For more information refer to the documentation provided with this library.</p>
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