ignore.hpp

См. документацию.

#pragma once
 
#include "datastream.hpp"
 
namespace eosio {
   template <typename T>
   struct [[eosio::ignore]] ignore {};
 
   template <typename T>
   struct ignore_wrapper {
      constexpr ignore_wrapper() {}
      constexpr ignore_wrapper(T val) : value(val) {}
      constexpr ignore_wrapper(ignore<T> val) {}
      constexpr inline T get() { return value; }
      constexpr operator T() { return value; }
      constexpr operator ignore<T>() { return {}; }
      T value;
   };
 
   template<typename DataStream, typename T>
   inline DataStream& operator<<(DataStream& ds, const ::eosio::ignore_wrapper<T>& val) {
     ds << val.value;
     return ds;
   }
 
   template<typename DataStream, typename T>
   inline DataStream& operator<<(DataStream& ds, const ::eosio::ignore<T>& val) {
     return ds;
   }
 
   template<typename DataStream, typename T>
   inline DataStream& operator>>(DataStream& ds, ::eosio::ignore<T>&) {
     return ds;
   }
}