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// Copyright 2021 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 pkgbits
// A Code is an enum value that can be encoded into bitstreams.
//
// Code types are preferable for enum types, because they allow
// Decoder to detect desyncs.
type Code interface {
// Marker returns the SyncMarker for the Code's dynamic type.
Marker() SyncMarker
// Value returns the Code's ordinal value.
Value() int
}
// A CodeVal distinguishes among go/constant.Value encodings.
type CodeVal int
func (c CodeVal) Marker() SyncMarker { return SyncVal }
func (c CodeVal) Value() int { return int(c) }
// Note: These values are public and cannot be changed without
// updating the go/types importers.
const (
ValBool CodeVal = iota
ValString
ValInt64
ValBigInt
ValBigRat
ValBigFloat
)
// A CodeType distinguishes among go/types.Type encodings.
type CodeType int
func (c CodeType) Marker() SyncMarker { return SyncType }
func (c CodeType) Value() int { return int(c) }
// Note: These values are public and cannot be changed without
// updating the go/types importers.
const (
TypeBasic CodeType = iota
TypeNamed
TypePointer
TypeSlice
TypeArray
TypeChan
TypeMap
TypeSignature
TypeStruct
TypeInterface
TypeUnion
TypeTypeParam
)
// A CodeObj distinguishes among go/types.Object encodings.
type CodeObj int
func (c CodeObj) Marker() SyncMarker { return SyncCodeObj }
func (c CodeObj) Value() int { return int(c) }
// Note: These values are public and cannot be changed without
// updating the go/types importers.
const (
ObjAlias CodeObj = iota
ObjConst
ObjType
ObjFunc
ObjVar
ObjStub
)
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