Generating a sequence of values with the std::generator type
The C++20 standard includes two major updates to the standard library: the ranges library and coroutines. However, with regard to the latter, the support is minimal. The C++20 standard only defines a framework for building coroutines. Because of this, libraries such as libcoro, which we have previously seen, were created to provide actual coroutines, such as task and generator, which we also saw in the previous two recipes. The C++23 standard introduces the first standard coroutine, called std::generator. This brings together ranges and coroutines because std::generator is a view that represents a synchronous coroutine generator. This is a standard implementation for what we explicitly built in the previous recipe, Creating a coroutine generator type for sequences of values. Let’s see how it works.
At the time of writing, only GCC 14 supports this standard coroutine.
How to do it…
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