env

README

env

Minimal Go library for loading environment variables with type safety.

Features

• Generic-based API
• Supports all primitives: string, bool, int*, uint*, float32, float64
• Default values
• Custom parsers via Parser[T] interface
• Typed errors

Examples

See the examples

Documentation

Index

• Variables
• func Load[T any](key string, defaultValue ...T) (result T, err error)
• func LoadWithErr[T any](key string, err *error, defaultValue ...T) T
• type Parser

Variables

var (
	ErrMissing              = errors.New("missing")
	ErrParserNotImplemented = errors.New("parser not implemented")
)

Functions

func Load

func Load[T any](key string, defaultValue ...T) (result T, err error)

func LoadWithErr

func LoadWithErr[T any](key string, err *error, defaultValue ...T) T

Types

type Parser

type Parser interface {
	FromString(s string) error
}