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3a9e1dc314
Change-Id: I1d42c8d784440a0b7e40b4f0b8da54be0fb338a6 Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/370054 Trust: Damien Neil <dneil@google.com> Run-TryBot: Damien Neil <dneil@google.com> Reviewed-by: Joseph Tsai <joetsai@digital-static.net> Reviewed-by: Florian Zenker <floriank@google.com>
61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build purego || appengine
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// +build purego appengine
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package protoreflect
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import "google.golang.org/protobuf/internal/pragma"
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type valueType int
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const (
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nilType valueType = iota
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boolType
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int32Type
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int64Type
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uint32Type
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uint64Type
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float32Type
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float64Type
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stringType
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bytesType
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enumType
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ifaceType
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)
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// value is a union where only one type can be represented at a time.
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// This uses a distinct field for each type. This is type safe in Go, but
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// occupies more memory than necessary (72B).
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type value struct {
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pragma.DoNotCompare // 0B
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typ valueType // 8B
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num uint64 // 8B
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str string // 16B
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bin []byte // 24B
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iface interface{} // 16B
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}
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func valueOfString(v string) Value {
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return Value{typ: stringType, str: v}
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}
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func valueOfBytes(v []byte) Value {
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return Value{typ: bytesType, bin: v}
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}
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func valueOfIface(v interface{}) Value {
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return Value{typ: ifaceType, iface: v}
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}
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func (v Value) getString() string {
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return v.str
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}
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func (v Value) getBytes() []byte {
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return v.bin
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}
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func (v Value) getIface() interface{} {
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return v.iface
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}
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