materialise

type ElementMaterialiser interface {
	ir.Element

	// Materialise returns the element with all its values from the graph.
	Materialise(Materialiser) (Node, error)
}

type Materialiser interface {
	// Graph returns the graph to which new nodes are being added.
	Graph() ops.Graph

	// Materialise returns the element with all its values from the graph.
	NodeFromArray(file *ir.File, expr ir.AssignableExpr, val values.Array) (Node, error)

	// ElementsFromNodes returns a slice of elements from nodes
	ElementsFromNodes(file *ir.File, expr ir.AssignableExpr, nodes ...*ops.OutputNode) ([]ir.Element, error)
}

type Node interface {
	ir.Element
	OutNode() *ops.OutputNode
}