Struct SystemEnvironmentProvider 

pub struct SystemEnvironmentProvider;

System environment variable provider implementation.

This implementation directly reads system environment variables, intended for use in production environments.

Implementations

impl SystemEnvironmentProvider

pub fn new() -> Self

Create a new system environment variable provider.

Trait Implementations

impl Debug for SystemEnvironmentProvider

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SystemEnvironmentProvider

fn default() -> SystemEnvironmentProvider

Returns the “default value” for a type.

impl EnvironmentProvider for SystemEnvironmentProvider

fn get_var(&self, key: &str) -> Option<String>

Get the value of the specified environment variable.

fn has_var(&self, key: &str) -> bool

Check if an environment variable exists.