boost::redis::request::push_range :: Boost.Redis

# boost::redis::request::push_range

Appends a new command to the end of the request.

## Synopsis

Declared in `<boost/redis/request.hpp>`

    template<class ForwardIterator>
    void
    push_range(
        std::string_view cmd,
        ForwardIterator begin,
        ForwardIterator end,
        std::iterator_traits<ForwardIterator>::value_type* = nullptr);

## Description

This overload is useful for commands that have a dynamic number of arguments and don't have a key. For example:

    std::set<std::string> channels
       { "channel1" , "channel2" , "channel3" };

    request req;
    req.push("SUBSCRIBE", std::cbegin(channels), std::cend(channels));

Command arguments should either be convertible to `std::string_view` or support the `boost_redis_to_bulk` function. This function is a customization point that must be made available using ADL and must have the following signature:

    void boost_redis_to_bulk(std::string& to, T const& t);

See cpp20_serialization.cpp

## Template Parameters

Name | Description
--- | ---
ForwardIterator | A forward iterator with an element type that is convertible to `std::string_view` or supports `boost_redis_to_bulk`.

## Parameters

Name | Description
--- | ---
cmd | The command to execute. It should be a redis or sentinel command, like `"SET"`.
begin | Iterator to the begin of the range.
end | Iterator to the end of the range.

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