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Card](https://goreportcard.com/badge/github.com/ljmsc/wal)](https://goreportcard.com/report/github.com/ljmsc/wal)\n[![GoDoc](https://godoc.org/github.com/ljmsc/wal?status.svg)](https://pkg.go.dev/mod/github.com/ljmsc/wal?tab=overview)\n\nwal is a *write ahead log* written in go.\n\n## Installation\nThe code was tested with go version `1.15`.\nOlder versions can also work but have not been tested.\n```\ngo get -u github.com/ljmsc/wal\n```\nCurrently, only unix systems are supported.\n\n## Usage\n\u003e **Note:** since version 0.7.0 the wal is no longer safe for concurrent write.\n\u003e It is up to the developer to protect the wal. e.g. Mutex, Channels.\n\u003e Since this kind of functionality is not always needed I removed it for performance's sake.\n\n### basic\n```go\npackage main\n\nimport (\n\t\"fmt\"\n\n\t\"github.com/ljmsc/wal\"\n)\n\ntype entry []byte\n\nfunc (t *entry) Unmarshal(_data []byte) error {\n\t*t = _data\n\treturn nil\n}\n\nfunc main() {\n\tstorage, err := wal.Open(\"./path/to/wal\", 4, 100)\n\tif err != nil {\n\t\t// handle error\n\t\tpanic(err)\n\t}\n\tdefer storage.Close()\n\n\tdata := []byte(\"this is my awesome test data\")\n\tseqNum, err := storage.Write(data)\n\tif err != nil {\n\t\t// handle write error\n\t\tpanic(err)\n\t}\n\tfmt.Printf(\"successful wrote entry. Sequence Number: %d\\n\", seqNum)\n\n\tre := entry{}\n\tif err := storage.ReadAt(\u0026re, seqNum); err != nil {\n\t\t// handle error\n\t\tpanic(err)\n\t}\n\n\tfmt.Printf(\"successful read entry from log. value: %s \\n\", re)\n}\n```\n\n\n## License\nThe project (and all code) is licensed under the Mozilla Public License Version 2.0.","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fljmsc%2Fwal","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fljmsc%2Fwal","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fljmsc%2Fwal/lists"}