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Golang implementation of 51Degrees/Device-Detection based on trie

// repository documentation

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[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](https://raw.githubusercontent.com/IncSW/fifd/master/LICENSE)
[![Go Report Card](https://goreportcard.com/badge/github.com/IncSW/fifd?style=flat-square)](https://goreportcard.com/report/github.com/IncSW/fifd)

Golang implementation of [51Degrees/Device-Detection](https://github.com/51Degrees/Device-Detection) based on trie without cgo.

## Installation

`go get github.com/IncSW/fifd`

```go
import "github.com/IncSW/fifd"
```

## Quick Start

```go
reader, err := fifd.NewReaderFromFile("path/to/51DegreesV3.4.trie")
if err != nil {
	panic(err)
}
device := reader.MatchDevice("UserAgent")
fmt.Println(device.GetValue("BrowserName"), device.GetValue("BrowserVersion"))
```

## Performance

### Go 1.14.2, Debian 9.1, i7-7700

fixed ua: `Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0`

```
fifd/fixed-8             1291940    927 ns/op     0 B/op    0 allocs/op
cgo/fixed-8               533149   2214 ns/op   224 B/op   19 allocs/op

fifd/fixed-parallel-8    6384787    189 ns/op     0 B/op    0 allocs/op
cgo/fixed-parallel-8     2139506    554 ns/op   224 B/op   19 allocs/op

fifd/range-8              422196   2720 ns/op     0 B/op    0 allocs/op
cgo/range-8               404926   2964 ns/op   235 B/op   18 allocs/op

fifd/range-parallel-8    2738305    430 ns/op     0 B/op    0 allocs/op
cgo/range-parallel-8     1810068    657 ns/op   235 B/op   18 allocs/op
```

## License

[MIT License](LICENSE).

fifd

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