[tab:exec.pos]

Table 152: Types of customization point objects in the execution control library [tab:exec.pos]

🔗	Customization point	Purpose	Examples
🔗	object type
🔗	core	provide core execution functionality, and connection between core components	e.g., connect, start
🔗	completion functions	called by senders to announce the completion of the work (success, error, or cancellation)	set_value, set_error, set_stopped
🔗	senders	allow the specialization of the provided sender algorithms	sender factories (e.g., schedule, just, read_env) sender adaptors (e.g., continues_on, then, let_value) sender consumers (e.g., sync_wait)
🔗	queries	allow querying different properties of objects	general queries (e.g., get_allocator, get_stop_token) environment queries (e.g., get_scheduler, get_delegation_scheduler) scheduler queries (e.g., get_forward_progress_guarantee) sender attribute queries (e.g., get_completion_scheduler)

34 Execution control library [exec]