// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package poll

import (
	"io"
	"syscall"
)

// SendFile wraps the TransmitFile call.
func SendFile(fd *FD, src syscall.Handle, n int64) (written int64, err error) {
	defer func() {
		TestHookDidSendFile(fd, 0, written, err, written > 0)
	}()
	if fd.kind == kindPipe {

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package gzip

import (
	"compress/flate"
	"errors"
	"fmt"
	"hash/crc32"
	"io"
	"time"
)

// These constants are copied from the flate package, so that code that imports
// "compress/gzip" does not also have to import "compress/flate".
const (

  open($gofmt, '|-', 'gofmt >'.$ARGV[0]) or die;
} else {
  open($gofmt, '|-', 'gofmt') or die;
}

# Redirect STDOUT to gofmt input
select $gofmt;

print <<EOF;
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Code generated by make_perl_groups.pl; DO NOT EDIT.

package syntax

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package types_test

import (
	"fmt"
	"go/ast"
	"go/importer"
	"go/token"
	"internal/testenv"
	"slices"
	"testing"

	. "go/types"
)

type resolveTestImporter struct {
	importer ImporterFrom
	imported map[string]bool
}

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package multipart

import (
	"bytes"
	"errors"
	"internal/godebug"
	"io"
	"math"
	"net/textproto"
	"os"
	"strconv"
)

// ErrMessageTooLarge is returned by ReadForm if the message form
// data is too large to be processed.

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package template

import (
	"reflect"
	"sync"
	"text/template/parse"
)

// common holds the information shared by related templates.
type common struct {
	tmpl   map[string]*Template // Map from name to defined templates.
	muTmpl sync.RWMutex         // protects tmpl

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package syntax

import (
	"strconv"
	"strings"
	"unicode"
	"unicode/utf8"
)

// Compiled program.
// May not belong in this package, but convenient for now.

// A Prog is a compiled regular expression program.
type Prog struct {
	Inst   []Inst

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package os

import (
	"internal/filepathlite"
	"internal/syscall/windows"
	"syscall"
)

const (
	PathSeparator     = '\\' // OS-specific path separator
	PathListSeparator = ';'  // OS-specific path list separator
)

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package cases

func (c info) cccVal() info {
	if c&exceptionBit != 0 {
		return info(exceptions[c>>exceptionShift]) & cccMask
	}
	return c & cccMask
}

func (c info) cccType() info {
	ccc := c.cccVal()
	if ccc <= cccZero {
		return cccZero
	}
	return ccc
}

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package tag contains functionality handling tags and related data.
package tag // import "golang.org/x/text/internal/tag"

import "sort"

// An Index converts tags to a compact numeric value.
//
// All elements are of size 4. Tags may be up to 4 bytes long. Excess bytes can