boost::capy::io_env

Declared in <boost/capy/ex/io_env.hpp>

This struct bundles the execution context passed through coroutine chains via the IoAwaitable protocol. It contains the executor for resumption, a stop token for cancellation, and an optional allocator for coroutine frame allocation.

Launch functions (run_async, run) own the io_env and guarantee it outlives all tasks and awaitables in the launched chain. Awaitables receive io_env const* in await_suspend and should store it directly, never copy the pointed‐to object.

The referenced executor and allocator must remain valid for the lifetime of any coroutine using this environment.

IoAwaitable, IoRunnable

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