| 1 | #pragma once |
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| 2 | |
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| 3 | #include <initializer_list> |
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| 4 | |
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| 5 | namespace mbgl { |
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| 6 | namespace util { |
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| 7 | |
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| 8 | // Accept any number of parameters of any types, and do nothing with them. |
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| 9 | // Useful for providing a context for parameter pack expansion where a legal |
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| 10 | // expansion context is not otherwise available. |
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| 11 | // |
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| 12 | // See https://github.com/mapbox/cpp/blob/master/C%2B%2B%20Structural%20Metaprogramming.md |
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| 13 | // for more details. |
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| 14 | // |
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| 15 | template <class... Ts> void ignore(Ts&&...) {} |
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| 16 | |
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| 17 | // std::initializer_list overload, for situations where you need sequenced |
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| 18 | // modifications. |
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| 19 | // |
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| 20 | template <class T> void ignore(const std::initializer_list<T>&) {} |
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| 21 | |
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| 22 | // Handle the zero-argument case. |
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| 23 | inline void ignore(const std::initializer_list<int>&) {} |
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| 24 | |
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| 25 | } // namespace util |
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| 26 | } // namespace mbgl |
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| 27 | |
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