Kagome
Polkadot Runtime Engine in C++17
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unused.hpp
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1 
6 #ifndef KAGOME_UNUSED
7 #define KAGOME_UNUSED
8 
9 #include "common/empty.hpp"
10 #include "common/tagged.hpp"
11 
12 namespace kagome {
13 
15  template <size_t Num>
16  struct NumTag {
17  private:
18  static constexpr size_t tag = Num;
19  };
20 
23  template <size_t N>
24  using Unused = Tagged<Empty, NumTag<N>>;
25 
26  template <size_t N>
27  bool operator==(const Unused<N> &, const Unused<N> &) {
28  return true;
29  }
30 
31 } // namespace kagome
32 
33 #endif // KAGOME_UNUSED
kagome::NumTag
Number-based marker-type for using as tag.
Definition: unused.hpp:16
kagome::operator==
bool operator==(const Unused< N > &, const Unused< N > &)
Definition: unused.hpp:27
kagome::NumTag::tag
static constexpr size_t tag
Definition: unused.hpp:18