Crate envoption

Enums

EnvOptionError

OptionType

The behavior if the environment variable is not set.

Functions

get

Get an environment variable, using the given mode to determine behavior when it is not set.

optional

Get an environment variable, returning None if it doesn’t exist.

require

Get an environment variable, and return an error if it doesn’t exist.

with_default

Get an environment variable, returning a default value if it doesn’t exist.