caddy/modules/caddyhttp/duplex_go120.go

// Copyright 2015 Matthew Holt and The Caddy Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//go:build !go1.21

package caddyhttp

import (
	"net/http"
)

func enableFullDuplex(w http.ResponseWriter) error {
	// Do nothing, Go 1.20 and earlier do not support full duplex
	return nil
}