env

Documentation

Index

• func ExtractValue(environment []string, key string) string
• func GetBool(name string, fallback bool) (bool, error)
• func GetDuration(name string, fallback time.Duration) (time.Duration, error)
• func GetInt(name string, fallback int) (int, error)
• func GetString(name string, fallback string) string

Functions

func ExtractValue

func ExtractValue(environment []string, key string) string

ExtractValue returns the value of the environment variable with the given key. The given key should not have a trailing "=". If the same key occurrs multiple times in the environment, then any later occurrences will override previous ones.

func GetBool

func GetBool(name string, fallback bool) (bool, error)

GetBool fetches and parses a boolean typed environment variable

If the variable is empty, returns `fallback` and no error. If there is an error, returns `fallback` and the error.

func GetDuration

func GetDuration(name string, fallback time.Duration) (time.Duration, error)

GetDuration fetches and parses a duration typed environment variable

func GetInt

func GetInt(name string, fallback int) (int, error)

GetInt fetches and parses an integer typed environment variable

If the variable is empty, returns `fallback` and no error. If there is an error, returns `fallback` and the error.

func GetString

func GetString(name string, fallback string) string

GetString fetches a given name from the environment and falls back to a default value if the name is not available. The value is stripped of leading and trailing whitespace.