cpp-lazy-stream/include/stream/detail/identity.h

//
//  identity.h
//  stream
//
//  Created by Sam Jaffe on 3/29/23.
//

#pragma once

namespace stream::detail {
struct identity {
  template <typename T> decltype(auto) operator()(T && t) const {
    return std::forward<T>(t);
  }
};
}