func (e *encoder) Int(n int) {
	if n < 0 || int(int32(n)) != n {
		base.Fatalf("go: attempting to write an int to the index that overflows int32")
	}
	e.Uint32(uint32(n))
}

func (e *encoder) IntAt(n int, at int) {
	if n < 0 || int(int32(n)) != n {
		base.Fatalf("go: attempting to write an int to the index that overflows int32")
	}
	binary.LittleEndian.PutUint32(e.b[at:], uint32(n))

			return err
		}
	} else {
		// Write the starting clear code, as w.Write did not.
		clear := uint32(1) << w.litWidth
		if err := w.write(w, clear); err != nil {
			return err
		}
	}
	// Write the eof code.
	eof := uint32(1)<<w.litWidth + 1
	if err := w.write(w, eof); err != nil {
		return err
	}
	// Write the final bits.
	if w.nBits > 0 {
		if w.order == MSB {

// NewWriter creates a new byte format writer.
func NewWriter(w io.Writer, v version.Version) (*Writer, error) {
	_, err := version.WriteHeader(w, v)
	return &Writer{w: w, v: v, specs: v.Specs()}, err
}

// WriteEvent writes a single event to the trace wire format stream.
func (w *Writer) WriteEvent(e Event) error {
	// Check version.
	if e.Version != w.v {

}

// Write encodes p using quoted-printable encoding and writes it to the
// underlying [io.Writer]. It limits line length to 76 characters. The encoded
// bytes are not necessarily flushed until the [Writer] is closed.
func (w *Writer) Write(p []byte) (n int, err error) {
	for i, b := range p {
		switch {
		// Simple writes are done in batch.
		case b >= '!' && b <= '~' && b != '=':
			continue

	w       *bufio.Writer
}

// NewWriter returns a new Writer that writes to w.
func NewWriter(w io.Writer) *Writer {
	return &Writer{
		Comma: ',',
		w:     bufio.NewWriter(w),
	}
}

// Write writes a single CSV record to w along with any necessary quoting.
// A record is a slice of strings with each string being one field.
// Writes are buffered, so [Writer.Flush] must eventually be called to ensure

type flushWriter struct {
	flusher http.Flusher
	writer  io.Writer
}

// Write is a FlushWriter implementation of the io.Writer that sends any buffered
// data to the client.
func (fw *flushWriter) Write(p []byte) (n int, err error) {
	n, err = fw.writer.Write(p)
	if err != nil {
		return
	}
	if fw.flusher != nil {
		fw.flusher.Flush()
	}
	return

		// after a Reset call.
		z.compressor, err = flate.NewWriterDict(z.w, z.level, z.dict)
		if err != nil {
			return err
		}
		z.digest = adler32.New()
	}
	return nil
}

// Write writes a compressed form of p to the underlying io.Writer. The
// compressed bytes are not necessarily flushed until the Writer is closed or
// explicitly flushed.

import "io"

// TruncateWriter returns a Writer that writes to w
// but stops silently after n bytes.
func TruncateWriter(w io.Writer, n int64) io.Writer {
	return &truncateWriter{w, n}
}

type truncateWriter struct {
	w io.Writer
	n int64
}

func (t *truncateWriter) Write(p []byte) (n int, err error) {
	if t.n <= 0 {
		return len(p), nil
	}
	// real write
	n = len(p)
	if int64(n) > t.n {
		n = int(t.n)

package textproto

import (
	"bufio"
	"fmt"
	"io"
)

// A Writer implements convenience methods for writing
// requests or responses to a text protocol network connection.
type Writer struct {
	W   *bufio.Writer
	dot *dotWriter
}

// NewWriter returns a new [Writer] writing to w.
func NewWriter(w *bufio.Writer) *Writer {
	return &Writer{W: w}
}

var crnl = []byte{'\r', '\n'}

	"errors"
	"fmt"
	"io"
	"net/textproto"
	"slices"
	"strings"
)

// A Writer generates multipart messages.
type Writer struct {
	w        io.Writer
	boundary string
	lastpart *part
}

// NewWriter returns a new multipart [Writer] with a random boundary,
// writing to w.
func NewWriter(w io.Writer) *Writer {
	return &Writer{
		w:        w,
		boundary: randomBoundary(),
	}
}