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Programming language: Go
Tags: Configuration    

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README

Clean APIs for your Go Applications. Inspired by functional options pattern.

Quick view

package main

import (
    "fmt"
    "github.com/kataras/go-options"
)

type appOptions struct {
    Name        string
    MaxRequests int
    DevMode     bool
    EnableLogs  bool
}

type app struct {
    options appOptions
}

func newApp(setters ...options.OptionSetter) *app {
    opts := appOptions{Name: "My App's Default Name"} // any default options here
    options.Struct(&opts, setters...)                 // convert any dynamic options to the appOptions struct, fills non-default options from the setters

    app := &app{options: opts}

    return app
}

// Name sets the appOptions.Name field
// pass an (optionall) option via static func
func Name(val string) options.OptionSetter {
    return options.Option("Name", val)
}

// Dev sets the appOptions.DevMode & appOptions.EnableLogs field
// pass an (optionall) option via static func
func Dev(val bool) options.OptionSetter {
    return options.Options{"DevMode": val, "EnableLogs": val}
}

// and so on...

func passDynamicOptions() {
    myApp := newApp(options.Options{"MaxRequests": 17, "DevMode": true})

    fmt.Printf("passDynamicOptions: %#v\n", myApp.options)
}

func passDynamicOptionsAlternative() {
    myApp := newApp(options.Option("MaxRequests", 17), options.Option("DevMode", true))

    fmt.Printf("passDynamicOptionsAlternative: %#v\n", myApp.options)
}

func passFuncsOptions() {
    myApp := newApp(Name("My name"), Dev(true))

    fmt.Printf("passFuncsOptions: %#v\n", myApp.options)
}

// go run $GOPATH/github.com/kataras/go-options/example/main.go
func main() {
    passDynamicOptions()
    passDynamicOptionsAlternative()
    passFuncsOptions()
}

Installation

The only requirement is the Go Programming Language, at least v1.7.

$ go get -u github.com/kataras/go-options

FAQ

If you'd like to discuss this package, or ask questions about it, feel free to

Versioning

Current: v0.0.1

Read more about Semantic Versioning 2.0.0

People

The author of go-options is @kataras.

Contributing

If you are interested in contributing to the go-options project, please make a PR.

License

This project is licensed under the MIT License.

License can be found [here](LICENSE).


*Note that all licence references and agreements mentioned in the go-options README section above are relevant to that project's source code only.