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* Dropped unused codekit config * Integrated dynamic and static bindata for public * Ignore public bindata * Add a general generate make task * Integrated flexible public assets into web command * Updated vendoring, added all missiong govendor deps * Made the linter happy with the bindata and dynamic code * Moved public bindata definition to modules directory * Ignoring the new bindata path now * Updated to the new public modules import path * Updated public bindata command and drop the new prefix
2.8 KiB
2.8 KiB
Go UUID implementation
This package provides RFC 4122 compliant UUIDs. It will generate the following:
- Version 1: based on timestamp and MAC address
- Version 3: based on MD5 hash
- Version 4: based on cryptographically secure random numbers
- Version 5: based on SHA-1 hash
Functions NewV1, NewV3, NewV4, NewV5, New, NewHex and Parse() for generating versions 3, 4 and 5 UUIDs are as specified in RFC 4122.
Requirements
Go 1.4, 1.3, 1.2 and tip supported.
Recent Changes
- Removed use of OS Thread locking and runtime package requirement
- Changed String() output to CleanHyphen to match the canonical standard
- Plenty of minor change and housekeeping
- Removed default saver and replaced with interface
- API changes to simplify use.
- Added formatting support for user defined formats
- Added support for Google App Engine
- Variant type bits are now set correctly
- Variant type can now be retrieved more efficiently
- New tests for variant setting to confirm correctness
- New tests added to confirm proper version setting
- Type UUID change to UUIDArray for V3-5 UUIDs and UUIDStruct added for V1 UUIDs ** These implement the BinaryMarshaller and BinaryUnmarshaller interfaces
- New was added to create a base UUID from a []byte slice - this uses UUIDArray
- ParseHex was renamed to ParseUUID
- NewHex now performs unsafe creation of UUID from a hex string
- NewV3 and NewV5 now take anything that implements the Stringer interface
- V1 UUIDs can now be created
- The printing format can be changed
Installation
Use the go
tool:
$ go get github.com/twinj/uuid
Usage
See documentation and examples for more information.
var config = uuid.StateSaverConfig{SaveReport: true, SaveSchedule: 30 * time.Minute}
uuid.SetupFileSystemStateSaver(config)
u1 := uuid.NewV1()
uP, _ := uuid.Parse("6ba7b810-9dad-11d1-80b4-00c04fd430c8")
u3 := uuid.NewV3(uP, uuid.Name("test"))
u4 := uuid.NewV4()
fmt.Printf(print, u4.Version(), u4.Variant(), u4)
u5 := uuid.NewV5(uuid.NamespaceURL, uuid.Name("test"))
if uuid.Equal(u1, u3) {
fmt.Printf("Will never happen")
}
fmt.Printf(uuid.Formatter(u5, uuid.CurlyHyphen))
uuid.SwitchFormat(uuid.BracketHyphen)
Copyright
This is a derivative work
Orginal version from Copyright (C) 2011 by Krzysztof Kowalik chris@nu7hat.ch. See COPYING file for details.
Also see: Algorithm details in RFC 4122.
Copyright (C) 2014 twinj@github.com See LICENSE file for details.