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package stdlib
import (
"bufio"
"io"
"net"
"net/http"
"reflect"
)
// Wrappers for composed interfaces which trigger a special behavior in stdlib.
// Note: it may become useless to pre-compile composed interface wrappers
// once golang/go#15924 is resolved.
// In net/http, a ResponseWriter may also implement a Hijacker.
type _netHTTPResponseWriterHijacker struct {
IValue interface{}
WHeader func() http.Header
WWrite func(a0 []byte) (int, error)
WWriteHeader func(statusCode int)
WHijack func() (net.Conn, *bufio.ReadWriter, error)
}
func (w _netHTTPResponseWriterHijacker) Header() http.Header {
return w.WHeader()
}
func (w _netHTTPResponseWriterHijacker) Write(a0 []byte) (int, error) {
return w.WWrite(a0)
}
func (w _netHTTPResponseWriterHijacker) WriteHeader(statusCode int) {
w.WWriteHeader(statusCode)
}
func (w _netHTTPResponseWriterHijacker) Hijack() (net.Conn, *bufio.ReadWriter, error) {
return w.WHijack()
}
// In io, a Reader may implement WriteTo, used by io.Copy().
type _ioReaderWriteTo struct {
IValue interface{}
WRead func(p []byte) (n int, err error)
WWriteTo func(w io.Writer) (n int64, err error)
}
func (w _ioReaderWriteTo) Read(p []byte) (n int, err error) {
return w.WRead(p)
}
func (w _ioReaderWriteTo) WriteTo(wr io.Writer) (n int64, err error) {
return w.WWriteTo(wr)
}
// In io, a Writer may implement ReadFrom, used by io.Copy().
type _ioWriterReadFrom struct {
IValue interface{}
WWrite func(p []byte) (n int, err error)
WReadFrom func(r io.Reader) (n int64, err error)
}
func (w _ioWriterReadFrom) Write(p []byte) (n int, err error) {
return w.WWrite(p)
}
func (w _ioWriterReadFrom) ReadFrom(r io.Reader) (n int64, err error) {
return w.WReadFrom(r)
}
// Each MapType value (each slice) must be sorted by complexity, i.e. by number
// of interface methods.
func init() {
MapTypes[reflect.ValueOf((*_net_http_ResponseWriter)(nil))] = []reflect.Type{
reflect.ValueOf((*_netHTTPResponseWriterHijacker)(nil)).Type().Elem(),
}
MapTypes[reflect.ValueOf((*_io_Reader)(nil))] = []reflect.Type{
reflect.ValueOf((*_ioReaderWriteTo)(nil)).Type().Elem(),
}
MapTypes[reflect.ValueOf((*_io_Writer)(nil))] = []reflect.Type{
reflect.ValueOf((*_ioWriterReadFrom)(nil)).Type().Elem(),
}
}
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