// The size of a CRC-64 checksum in bytes.
const Size = 8

// Predefined polynomials.
const (
	// The ISO polynomial, defined in ISO 3309 and used in HDLC.
	ISO = 0xD800000000000000

	// The ECMA polynomial, defined in ECMA 182.
	ECMA = 0xC96C5795D7870F42
)

// Table is a 256-word table representing the polynomial for efficient processing.
type Table [256]uint64

var (
	slicing8TablesBuildOnce sync.Once

	tabISO := MakeTable(ISO)
	tabECMA := MakeTable(ECMA)
	for i := 0; i < len(golden); i++ {
		g := golden[i]
		c := New(tabISO)
		io.WriteString(c, g.in)
		s := c.Sum64()
		if s != g.outISO {
			t.Fatalf("ISO crc64(%s) = 0x%x want 0x%x", g.in, s, g.outISO)
		}
		c = New(tabECMA)
		io.WriteString(c, g.in)
		s = c.Sum64()
		if s != g.outECMA {
			t.Fatalf("ECMA crc64(%s) = 0x%x want 0x%x", g.in, s, g.outECMA)
		}
	}

}

// See
// - https://developer.mozilla.org/en-US/docs/Glossary/Truthy
// - https://stackoverflow.com/questions/19839952/all-falsey-values-in-javascript/19839953#19839953
// - http://www.ecma-international.org/ecma-262/5.1/#sec-9.2
func TestTruthy(t *testing.T) {
	want := true
	for _, key := range []string{
		"someBool", "someString", "someInt", "someFloat", "someArray", "someDate",
		"stringZero", // "0" is truthy

		case TagT61String:
			v, err = parseT61String(innerBytes)
		case TagUTF8String:
			v, err = parseUTF8String(innerBytes)
		case TagGeneralString:
			// GeneralString is specified in ISO-2022/ECMA-35,
			// A brief review suggests that it includes structures
			// that allow the encoding to change midstring and
			// such. We give up and pass it as an 8-bit string.
			v, err = parseT61String(innerBytes)

rn le(this)},toggle:function(e){return"boolean"==typeof e?e?this.show():this.hide():this.each(function(){ae(this)?E(this).show():E(this).hide()})}});var ce,fe,pe=/^(?:checkbox|radio)$/i,de=/<([a-z][^\/\0>\x20\t\r\n\f]*)/i,he=/^$|^module$|\/(?:java|ecma)script/i;ce=S.createDocumentFragment().appendChild(S.createElement("div")),(fe=S.createElement("input")).setAttribute("type","radio"),fe.setAttribute("checked","checked"),fe.setAttribute("name","t"),ce.appendChild(fe),v.checkClone=ce.cloneNode(!0)...

rn le(this)},toggle:function(e){return"boolean"==typeof e?e?this.show():this.hide():this.each(function(){ae(this)?E(this).show():E(this).hide()})}});var ce,fe,pe=/^(?:checkbox|radio)$/i,de=/<([a-z][^\/\0>\x20\t\r\n\f]*)/i,he=/^$|^module$|\/(?:java|ecma)script/i;ce=S.createDocumentFragment().appendChild(S.createElement("div")),(fe=S.createElement("input")).setAttribute("type","radio"),fe.setAttribute("checked","checked"),fe.setAttribute("name","t"),ce.appendChild(fe),v.checkClone=ce.cloneNode(!0)...

c=this[0];return c?n.event.trigger(a,b,c,!0):void 0}});var ab=/<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,bb=/<([\w:]+)/,cb=/<|&#?\w+;/,db=/<(?:script|style|link)/i,eb=/checked\s*(?:[^=]|=\s*.checked.)/i,fb=/^$|\/(?:java|ecma)script/i,gb=/^true\/(.*)/,hb=/^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,ib={option:[1,"<select multiple='multiple'>","</select>"],thead:[1,"<table>","</table>"],col:[2,"<table><colgroup>","</colgroup></table>"],tr:[2,"<table><tbody>","</tbody></ta...

  </mime-type>

  <!-- =================================================================== -->
  <!-- Office Open XML file formats                                        -->
  <!-- http://www.ecma-international.org/publications/standards/Ecma-376.htm -->
  <!-- =================================================================== -->
  <mime-type type="application/x-tika-ooxml">
    <sub-class-of type="application/zip"/>

ia(this,!0)},hide:function(){return ia(this)},toggle:function(a){return"boolean"==typeof a?a?this.show():this.hide():this.each(function(){da(this)?r(this).show():r(this).hide()})}});var ja=/^(?:checkbox|radio)$/i,ka=/<([a-z][^\/\0>\x20\t\r\n\f]+)/i,la=/^$|\/(?:java|ecma)script/i,ma={option:[1,"<select multiple='multiple'>","</select>"],thead:[1,"<table>","</table>"],col:[2,"<table><colgroup>","</colgroup></table>"],tr:[2,"<table><tbody>","</tbody></table>"],td:[3,"<table><tbody><tr>","</tr></tbody></table>"],_def...

		{"MakeTable", Func, 0},
		{"New", Func, 0},
		{"NewIEEE", Func, 0},
		{"Size", Const, 0},
		{"Table", Type, 0},
		{"Update", Func, 0},
	},
	"hash/crc64": {
		{"Checksum", Func, 0},
		{"ECMA", Const, 0},
		{"ISO", Const, 0},
		{"MakeTable", Func, 0},
		{"New", Func, 0},
		{"Size", Const, 0},
		{"Table", Type, 0},
		{"Update", Func, 0},
	},
	"hash/fnv": {
		{"New128", Func, 9},