*
 * <pre>{@code
 * Closer closer = Closer.create();
 * try {
 *   InputStream in = closer.register(openInputStream());
 *   OutputStream out = closer.register(openOutputStream());
 *   // do stuff
 * } catch (Throwable e) {
 *   // ensure that any checked exception types other than IOException that could be thrown are
 *   // provided here, e.g. throw closer.rethrow(e, CheckedException.class);

 *
 * <pre>{@code
 * Closer closer = Closer.create();
 * try {
 *   InputStream in = closer.register(openInputStream());
 *   OutputStream out = closer.register(openOutputStream());
 *   // do stuff
 * } catch (Throwable e) {
 *   // ensure that any checked exception types other than IOException that could be thrown are
 *   // provided here, e.g. throw closer.rethrow(e, CheckedException.class);

func lower(c *context) bool {
	ct := c.caseType()
	if c.info&hasMappingMask == 0 || ct == cLower {
		return c.copy()
	}
	if c.info&exceptionBit == 0 {
		return c.copyXOR()
	}
	e := exceptions[c.info>>exceptionShift:]
	offset := 2 + e[0]&lengthMask // size of header + fold string
	if nLower := (e[1] >> lengthBits) & lengthMask; nLower != noChange {

const (
	cUncased          info = iota // 000
	cTitle                        // 001
	cLower                        // 010
	cUpper                        // 011
	cIgnorableUncased             // 100
	cIgnorableCased               // 101 // lower case if mappings exist
	cXORCase                      // 11x // case is cLower | ((rune&1) ^ x)

	maxCaseMode = cUpper
)

func (c info) isCased() bool {

// RUN: tf-opt "-tfl-lower-static-tensor-list=allow-tensorlist-pass-through default-to-single-batch" -split-input-file %s | FileCheck %s

// -----

// CHECK-LABEL: tensorlistConst
func.func @tensorlistConst(%arg0 : tensor<1xi32>) -> tensor<2x3xi32> {
  // CHECK-DAG: %[[ELEMENT0:.*]] = "tf.Const"() <{value = dense<[0, 1, 2]> : tensor<3xi32>}> : () -> tensor<3xi32>

		return &simpleCaser{f: f, span: isLower}
	}
	return &lowerCaser{
		first:   f,
		midWord: finalSigma(f),
	}
}

func makeTitle(t language.Tag, o options) transform.SpanningTransformer {
	_, i, _ := matcher.Match(t)
	x := &titleInfos[i]
	lower := x.lower
	if o.noLower {
		lower = (*context).copy
	} else if !o.ignoreFinalSigma {
		lower = finalSigma(lower)
	}
	return &titleCaser{

 * Matches version ranges:
 * <ul>
 * <li>[1.0,2.0] matches all versions greater or equal to 1.0 and lower or equal to 2.0 </li>
 * <li>[1.0,2.0[ matches all versions greater or equal to 1.0 and lower than 2.0 </li>
 * <li>]1.0,2.0] matches all versions greater than 1.0 and lower or equal to 2.0 </li>
 * <li>]1.0,2.0[ matches all versions greater than 1.0 and lower than 2.0 </li>
 * <li>[1.0,) matches all versions greater or equal to 1.0 </li>

		u := upper[i]
		if TurkishCase.ToLower(l) != l {
			t.Errorf("lower(U+%04X) is U+%04X not U+%04X", l, TurkishCase.ToLower(l), l)
		}
		if TurkishCase.ToUpper(u) != u {
			t.Errorf("upper(U+%04X) is U+%04X not U+%04X", u, TurkishCase.ToUpper(u), u)
		}
		if TurkishCase.ToUpper(l) != u {
			t.Errorf("upper(U+%04X) is U+%04X not U+%04X", l, TurkishCase.ToUpper(l), u)
		}
		if TurkishCase.ToLower(u) != l {

				// been seen recently due to hardware issues
				// causes Reads() to go slower than Writes().
				//
				// Send such results anyways as this shall
				// expose a problem underneath.
				if totalPut > throughputHighestPut {
					throughputHighestResults = results
					throughputHighestPut = totalPut
					// let the client see lower value as well
					throughputHighestGet = totalGet
				}
				sendResult()

	{"schedule", "regalloc"},
	// the rules in late lower run after the general rules.
	{"lower", "late lower"},
	// late lower may generate some values that need to be CSEed.
	{"late lower", "lowered cse"},
	// checkLower must run after lowering & subsequent dead code elim
	{"lower", "checkLower"},
	{"lowered deadcode", "checkLower"},
	{"late lower", "checkLower"},
	// late nilcheck needs instructions to be scheduled.