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#pragma once
namespace nix::util {
// Helper class used for visiting std::variants by creating a variadic
// list of lambda expressions that delegates calls to each of the
// callables.
//
// See e.g.
// https://dev.to/tmr232/that-overloaded-trick-overloading-lambdas-in-c17
template <class... Ts>
struct overloaded : Ts... {
using Ts::operator()...;
};
template <class... Ts>
overloaded(Ts...) -> overloaded<Ts...>;
} // namespace nix::util
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