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nelari.us | ||
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www.fluentcpp.com
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| | | | | Expressive code in C++ | |
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eyakubovich.github.io
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| | | | | Suppose we need to write a factory function that constructs a runtime polymorphic object. For the purposes of this post, let's say we want to construct a concrete shape object - a rectangle, triangle, or an ellipse. Here are our basic declarations: 1 2 3 4 5 6 7 8... | |
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www.cppstories.com
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| | | | | With std::optional you can represent some Type or nothing. With std::variant you can wrap several variants into one entity. And C++17 gives us one more wrapper type: std::any that can hold anything in a type-safe way. The Basics So far in the Standard C++, you had not many options when it comes to holding variable types in a variable. | |
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0xd34df00d.me
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