# Something sendable directly and efficiently over MPI
#
# Subclasses of `Sendable` should use the native MPI send function, without
# using Nit serialization.
interface Sendable
	# Type specific send over MPI
	protected fun send(mpi: MPI, at, count: Int, dest: Rank, tag: Tag, comm: Comm) is abstract

	# Type specific send full buffer over MPI
	protected fun send_all(mpi: MPI, dest: Rank, tag: Tag, comm: Comm) is abstract
end