const rsc.io/qr/coding.Check

5 uses

	rsc.io/qr/coding (current package)
		qr.go#L267: 	Check               // error correction check bit
		qr.go#L285: 	if Position <= r && r <= Check {
		qr.go#L453: 			case Data, Check:
		qr.go#L674: 		check[i] = Check.Pixel() | OffsetPixel(uint(i+dataBits))
		qr.go#L758: 			if r := pix.Role(); (r == Data || r == Check || r == Extra) && p.Mask.Invert(y, x) {

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