func TestReaderCopyNothing(t *testing.T) {
	type nErr struct {
		n   int64
		err error
	}
	type justReader struct {
		io.Reader
	}
	type justWriter struct {
		io.Writer
	}
	discard := justWriter{io.Discard} // hide ReadFrom

	var with, withOut nErr
	with.n, with.err = io.Copy(discard, NewReader(nil))
	withOut.n, withOut.err = io.Copy(discard, justReader{NewReader(nil)})

│   ├── index/                      # Indexing functionality
│   │   ├── SuggestIndexer.java     # Main indexing API
│   │   ├── contents/               # Content parsers and readers
│   │   └── writer/                 # Index writing strategies
│   ├── converter/                  # Text conversion utilities
│   ├── normalizer/                 # Text normalization
│   ├── analysis/                   # Custom analyzers

        .isTrue();
    if (!failures.isEmpty()) {
      StringWriter message = new StringWriter();
      PrintWriter writer = new PrintWriter(message);
      writer.println("Expected no failures, but found:");
      for (AssertionError failure : failures) {
        failure.printStackTrace(writer);
      }
      failures.clear();
      assertWithMessage(message.toString()).fail();
    }
  }

import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.nio.Buffer;

        bits: Int,
      ) {
        var value = value
        // Write the raw value for a single byte value.
        if (value < prefixMask) {
          out.writeByte(bits or value)
          return
        }

        // Write the mask to start a multibyte value.
        out.writeByte(bits or prefixMask)
        value -= prefixMask

        // Write 7 bits at a time 'til we're done.
        while (value >= 0x80) {

pkg net/http, var ErrUseLastResponse error
pkg net/http, var LocalAddrContextKey *contextKey
pkg net/http, var ServerContextKey *contextKey
pkg net/http/cgi, type Handler struct, Stderr io.Writer
pkg net/http/httptest, func NewRequest(string, string, io.Reader) *http.Request
pkg net/http/httptest, method (*ResponseRecorder) Result() *http.Response

			bugLogIf(ctx, err)
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}

		// Write a version for making *incompatible* changes.
		// The AdminClient will reject any version it does not know.
		if publicKey == nil {
			w.Write([]byte{1})
			w.Write(key[:])
		}

		stream, err := sio.AES_256_GCM.Stream(key[:])
		if err != nil {
			bugLogIf(ctx, err)
			return

// EncodeMsg implements msgp.Encodable
func (z *WalkDirOptions) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 8
	// write "Bucket"
	err = en.Append(0x88, 0xa6, 0x42, 0x75, 0x63, 0x6b, 0x65, 0x74)
	if err != nil {
		return
	}
	err = en.WriteString(z.Bucket)
	if err != nil {
		err = msgp.WrapError(err, "Bucket")
		return
	}
	// write "BaseDir"
	err = en.Append(0xa7, 0x42, 0x61, 0x73, 0x65, 0x44, 0x69, 0x72)

        transformer.setOutputProperty(OutputKeys.METHOD, "xml");

        final StringWriter writer = new StringWriter();
        final StreamResult result = new StreamResult(writer);

        final DOMSource source = new DOMSource(node);
        transformer.transform(source, result);

        return writer.toString();
    }

    public void test_getChildUrlRules() {

		return nil, false
	}
	p.patch()
	return p.firstProg, true
}

// ParseSymABIs parses p's assembly code to find text symbol
// definitions and references and writes a symabis file to w.
func (p *Parser) ParseSymABIs(w io.Writer) bool {
	operands := make([][]lex.Token, 0, 3)
	for {
		word, _, operands1, ok := p.line(operands)
		if !ok {
			break
		}
		operands = operands1