type sparseBlocks struct {
	values []valueRange
	offset []uint16
}

var nfcSparse = sparseBlocks{
	values: nfcSparseValues[:],
	offset: nfcSparseOffset[:],
}

var nfkcSparse = sparseBlocks{
	values: nfkcSparseValues[:],
	offset: nfkcSparseOffset[:],
}

var (
	nfcData  = newNfcTrie(0)
	nfkcData = newNfkcTrie(0)
)

// lookup determines the type of block n and looks up the value for b.

type sparseBlocks struct {
	values []valueRange
	offset []uint16
}

var nfcSparse = sparseBlocks{
	values: nfcSparseValues[:],
	offset: nfcSparseOffset[:],
}

var nfkcSparse = sparseBlocks{
	values: nfkcSparseValues[:],
	offset: nfkcSparseOffset[:],
}

var (
	nfcData  = newNfcTrie(0)
	nfkcData = newNfkcTrie(0)
)

// lookup determines the type of block n and looks up the value for b.