final class Platform {
  static CharMatcher precomputeCharMatcher(CharMatcher matcher) {
    // CharMatcher.precomputed() produces CharMatchers that are maybe a little
    // faster (and that's debatable), but definitely more memory-hungry. We're
    // choosing to turn .precomputed() into a no-op in GWT, because it doesn't
    // seem to be a worthwhile tradeoff in a browser.
    return matcher;
  }

  static String formatCompact4Digits(double value) {

type In struct {
	JPathExpr *JSONPath `parser:"@@"`
	ListExpr  *ListExpr `parser:"| @@"`
}

// Grammar for Operand:
//
// operand → multOp ( ("-" | "+") multOp )*
// multOp  → unary ( ("/" | "*" | "%") unary )*
// unary   → "-" unary | primary
// primary → Value | Variable | "(" expression ")"
//

// An Operand is a single term followed by an optional sequence of
// terms separated by +/-
type Operand struct {

var exprTests = []exprTest{
	// Simple
	{"0", 0, true},
	{"3", 3, true},
	{"070", 8 * 7, true},
	{"0x0f", 15, true},
	{"0xFF", 255, true},
	{"9223372036854775807", 9223372036854775807, true}, // max int64
	// Unary
	{"-0", 0, true},
	{"~0", -1, true},
	{"~0*0", 0, true},
	{"+3", 3, true},
	{"-3", -3, true},
	{"-9223372036854775808", -9223372036854775808, true}, // min int64
	// Binary
	{"3+4", 3 + 4, true},

	//	LMOVW mreg ',' rreg
	//	{
	//		outcode(int($1), &$2, 0, &$4);
	//	}
	MOVW	M1, R1
	MOVW	M1, R1


	//
	// integer operations
	// logical instructions
	// shift instructions
	// unary instructions
	//
	//	LADDW rreg ',' sreg ',' rreg
	//	{
	//		outcode(int($1), &$2, int($4), &$6);
	//	}
	ADD	R1, R2, R3

	//	LADDW imm ',' sreg ',' rreg
	//	{

//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVW	M1, R1 // 40010800
	MOVV	M1, R1 // 40210800


//
// integer operations
// logical instructions
// shift instructions
// unary instructions
//
//	LADDW rreg ',' sreg ',' rreg
//	{
//		outcode(int($1), &$2, int($4), &$6);
//	}
	ADD	R5, R9, R10	// 01255020
	ADDU	R13, R14, R19	// 01cd9821
	ADDV	R5, R9, R10	// 0125502c

as they are accessible.
</p>


<h3 id="Primary_expressions">Primary expressions</h3>

<p>
Primary expressions are the operands for unary and binary expressions.
</p>

<pre class="ebnf">
PrimaryExpr   = Operand |
                Conversion |
                MethodExpr |
                PrimaryExpr Selector |

house
how
hoyanger.no
hoylandet.no
hr
hr.eu.org
hra.health
hrsn.dev
hs.kr
hsbc
ht
httpbin.org
hu
hu.eu.org
hu.net
hughes
huissier-justice.fr
hungry.jp
hungyen.vn
hurdal.no
hurum.no
hvaler.no
hyatt
hyllestad.no
hyogo.jp
hypernode.io
hyuga.miyazaki.jp
hyundai
hzc.io
hábmer.no
hámmárfeasta.no
hápmir.no

house
how
hoyanger.no
hoylandet.no
hr
hr.eu.org
hra.health
hrsn.dev
hs.kr
hsbc
ht
httpbin.org
hu
hu.eu.org
hu.net
hughes
huissier-justice.fr
hungry.jp
hungyen.vn
hurdal.no
hurum.no
hvaler.no
hyatt
hyllestad.no
hyogo.jp
hypernode.io
hyuga.miyazaki.jp
hyundai
hzc.io
hábmer.no
hámmárfeasta.no
hápmir.no

flier.jp
floppy.jp
fool.jp
frenchkiss.jp
girlfriend.jp
girly.jp
gloomy.jp
gonna.jp
greater.jp
hacca.jp
heavy.jp
her.jp
hiho.jp
hippy.jp
holy.jp
hungry.jp
icurus.jp
itigo.jp
jellybean.jp
kikirara.jp
kill.jp
kilo.jp
kuron.jp
littlestar.jp
lolipopmc.jp
lolitapunk.jp
lomo.jp
lovepop.jp
lovesick.jp

*   Enable JIT-compiled i64-indexed kernels on GPU for large tensors with more than 2**32 elements.
    *   Unary GPU kernels: Abs, Atanh, Acos, Acosh, Asin, Asinh, Atan, Cos, Cosh, Sin, Sinh, Tan, Tanh.
    *   Binary GPU kernels: AddV2, Sub, Div, DivNoNan, Mul, MulNoNan, FloorDiv, Equal, NotEqual, Greater, GreaterEqual, LessEqual, Less.