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// Copyright (C) MongoDB, Inc. 2017-present.
//
// 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
// Package bsontype is a utility package that contains types for each BSON type and the
// a stringifier for the Type to enable easier debugging when working with BSON.
package bsontype // import "go.mongodb.org/mongo-driver/bson/bsontype"
// These constants uniquely refer to each BSON type.
const (
Double Type = 0x01
String Type = 0x02
EmbeddedDocument Type = 0x03
Array Type = 0x04
Binary Type = 0x05
Undefined Type = 0x06
ObjectID Type = 0x07
Boolean Type = 0x08
DateTime Type = 0x09
Null Type = 0x0A
Regex Type = 0x0B
DBPointer Type = 0x0C
JavaScript Type = 0x0D
Symbol Type = 0x0E
CodeWithScope Type = 0x0F
Int32 Type = 0x10
Timestamp Type = 0x11
Int64 Type = 0x12
Decimal128 Type = 0x13
MinKey Type = 0xFF
MaxKey Type = 0x7F
BinaryGeneric byte = 0x00
BinaryFunction byte = 0x01
BinaryBinaryOld byte = 0x02
BinaryUUIDOld byte = 0x03
BinaryUUID byte = 0x04
BinaryMD5 byte = 0x05
BinaryEncrypted byte = 0x06
BinaryColumn byte = 0x07
BinaryUserDefined byte = 0x80
)
// Type represents a BSON type.
type Type byte
// String returns the string representation of the BSON type's name.
func (bt Type) String() string {
switch bt {
case '\x01':
return "double"
case '\x02':
return "string"
case '\x03':
return "embedded document"
case '\x04':
return "array"
case '\x05':
return "binary"
case '\x06':
return "undefined"
case '\x07':
return "objectID"
case '\x08':
return "boolean"
case '\x09':
return "UTC datetime"
case '\x0A':
return "null"
case '\x0B':
return "regex"
case '\x0C':
return "dbPointer"
case '\x0D':
return "javascript"
case '\x0E':
return "symbol"
case '\x0F':
return "code with scope"
case '\x10':
return "32-bit integer"
case '\x11':
return "timestamp"
case '\x12':
return "64-bit integer"
case '\x13':
return "128-bit decimal"
case '\xFF':
return "min key"
case '\x7F':
return "max key"
default:
return "invalid"
}
}
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