2015-12-08 04:51:55 +08:00
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#pragma once
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2015-07-31 18:35:46 +08:00
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// a helper class for implementing static casting to a derived class using the
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// curiously recurring template pattern
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template <class Derived>
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2017-02-18 18:54:37 +08:00
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struct Crtp {
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Derived& derived() { return *static_cast<Derived*>(this); }
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2016-02-21 00:53:09 +08:00
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2017-02-18 18:54:37 +08:00
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const Derived& derived() const { return *static_cast<const Derived*>(this); }
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2015-07-31 18:35:46 +08:00
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};
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