README.md

Env

Golang Get Environment Variables Package

Install

go get github.com/nasermirzaei89/env

Sample Usage

With default value

package main

import (
	"fmt"

	"github.com/nasermirzaei89/env"
)

func main() {
	b := env.GetBool("A", true)
	fmt.Println(b) // true (default)

	f := env.GetFloat64("B", 14.5)
	fmt.Println(f) // 14.5 (default)

	i := env.GetInt("C", 12)
	fmt.Println(i) // 12 (default)

	s := env.GetString("B", "hi")
	fmt.Println(s) // hi (default)

	// Generics

	b2 := env.Get("A", true)
	fmt.Println(b2) // true (default)

	f2 := env.Get("B", 14.5)
	fmt.Println(f2) // 14.5 (default)

	i2 := env.Get("C", 12)
	fmt.Println(i2) // 12 (default)

	s2 := env.Get("B", "hi")
	fmt.Println(s2) // hi (default)
}

Force setting environment

package main

import (
	"fmt"

	"github.com/nasermirzaei89/env"
)

func main() {
	s := env.MustGetString("HOME")
	fmt.Println(s) // /Users/nasermirzaei89

	s = env.MustGetString("NEW") // panics

	// Generics

	s2 := env.MustGet[string]("HOME")
	fmt.Println(s2) // /Users/nasermirzaei89

	s2 = env.MustGet[string]("NEW") // panics
}

Contributing

You can submit a new issue in GitHub issues. Or you can create a fork, hack on your fork and when you're done create a pull request, so that the code contribution can get merged into the main package.