database::concepts Namespace Reference

Concepts
concept	Invocable
	A callable type that can be invoked with given arguments.
concept	VoidCallable
	A callable type that returns void when invoked.
concept	ReturnsResult
	A callable type that returns a value convertible to the specified type.
concept	Predicate
	A callable type that returns a boolean value.
concept	NoexceptCallable
	A callable type that is marked noexcept.
concept	DelayedCallable
	A callable suitable for delayed execution.
concept	AsyncCallable
	A callable suitable for async execution.
concept	QueryCallback
	A callable that handles query results.
concept	ErrorHandler
	A callable that handles database errors.
concept	ConnectionFactory
	A callable that creates database connections.
concept	BackendFactory
	A callable that creates database backends.
concept	StreamEventHandler
	A callable that handles stream events.
concept	StreamEventFilter
	A callable that filters stream events.
concept	TransactionAction
	A callable that represents a transaction action.
concept	CompensationAction
	A callable that represents a compensation (rollback) action.
concept	PooledResource
	A type that can be managed by a pool.
concept	ConnectionWrapper
	A type that wraps a database connection.
concept	SubmittableTask
	A callable suitable for submission to an async executor.
concept	VoidTask
	A callable that returns void, suitable for fire-and-forget execution.