placer

type OrderedNoAllocStonePlacerProvider struct{}

type OrderedOpportunisticPruningNoAllocStonePlacerProvider struct {
	PrunerConstructor func(grid.Grid) pruner.Pruner
}

type OrderedPruningNoAllocStonePlacerProvider struct {
	PrunerConstructor func(grid.Grid) pruner.Pruner
}

type OrderedStonePlacerProvider struct {
	SeparationSetConstructor sets.SeparationSetConstructor
}

type StonePlacer interface {
	// Place attempts to place a stone. If placement is successful, it returns a new StonePlacer, otherwise it returns an error.
	Place() (StonePlacer, error)

	// Done returns whether any more placements are possible.
	Done() bool

	// Grid returns the Grid onto which stones are being placed
	Grid() grid.Grid

	// Placements returns the placements made so far.
	Placements() grid.Placements
}

type StonePlacerConstructor interface {
	// New returns a new StonePlacer that places on the given grid, with the given existing stones.
	New(grid.Grid, grid.Placements) StonePlacer
}

type UnorderedStonePlacerProvider struct {
	SeparationSetConstructor sets.SeparationSetConstructor
	PointSetConstructor      sets.PointSetConstructor
}