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// 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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} |