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b6a95a8cb3
* 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
87 lines
2.8 KiB
Markdown
87 lines
2.8 KiB
Markdown
Go UUID implementation
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========================
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[](https://travis-ci.org/twinj/uuid)
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[](http://godoc.org/github.com/twinj/uuid)
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This package provides RFC 4122 compliant UUIDs.
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It will generate the following:
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* Version 1: based on timestamp and MAC address
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* Version 3: based on MD5 hash
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* Version 4: based on cryptographically secure random numbers
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* Version 5: based on SHA-1 hash
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Functions NewV1, NewV3, NewV4, NewV5, New, NewHex and Parse() for generating versions 3, 4
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and 5 UUIDs are as specified in [RFC 4122](http://www.ietf.org/rfc/rfc4122.txt).
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# Requirements
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Go 1.4, 1.3, 1.2 and tip supported.
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# Recent Changes
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* Removed use of OS Thread locking and runtime package requirement
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* Changed String() output to CleanHyphen to match the canonical standard
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* Plenty of minor change and housekeeping
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* Removed default saver and replaced with interface
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* API changes to simplify use.
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* Added formatting support for user defined formats
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* Added support for Google App Engine
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* Variant type bits are now set correctly
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* Variant type can now be retrieved more efficiently
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* New tests for variant setting to confirm correctness
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* New tests added to confirm proper version setting
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* Type UUID change to UUIDArray for V3-5 UUIDs and UUIDStruct added for V1 UUIDs
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** These implement the BinaryMarshaller and BinaryUnmarshaller interfaces
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* New was added to create a base UUID from a []byte slice - this uses UUIDArray
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* ParseHex was renamed to ParseUUID
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* NewHex now performs unsafe creation of UUID from a hex string
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* NewV3 and NewV5 now take anything that implements the Stringer interface
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* V1 UUIDs can now be created
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* The printing format can be changed
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## Installation
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Use the `go` tool:
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$ go get github.com/twinj/uuid
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## Usage
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See [documentation and examples](http://godoc.org/github.com/twinj/uuid)
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for more information.
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var config = uuid.StateSaverConfig{SaveReport: true, SaveSchedule: 30 * time.Minute}
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uuid.SetupFileSystemStateSaver(config)
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u1 := uuid.NewV1()
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uP, _ := uuid.Parse("6ba7b810-9dad-11d1-80b4-00c04fd430c8")
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u3 := uuid.NewV3(uP, uuid.Name("test"))
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u4 := uuid.NewV4()
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fmt.Printf(print, u4.Version(), u4.Variant(), u4)
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u5 := uuid.NewV5(uuid.NamespaceURL, uuid.Name("test"))
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if uuid.Equal(u1, u3) {
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fmt.Printf("Will never happen")
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}
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fmt.Printf(uuid.Formatter(u5, uuid.CurlyHyphen))
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uuid.SwitchFormat(uuid.BracketHyphen)
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## Copyright
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This is a derivative work
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Orginal version from
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Copyright (C) 2011 by Krzysztof Kowalik <chris@nu7hat.ch>.
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See [COPYING](https://github.com/nu7hatch/gouuid/tree/master/COPYING)
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file for details.
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Also see: Algorithm details in [RFC 4122](http://www.ietf.org/rfc/rfc4122.txt).
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Copyright (C) 2014 twinj@github.com
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See [LICENSE](https://github.com/twinj/uuid/tree/master/LICENSE)
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file for details.
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