Struct EnvConfigProvider 

pub struct EnvConfigProvider { /* private fields */ }

Configuration provider that retrieves values from environment variables.

Implementations

impl EnvConfigProvider

pub fn new(prefix: &str) -> Self

Create a new environment variable configuration provider with the specified prefix.

pub fn refresh_cache(&mut self)

Refresh the cache of environment variables.

Trait Implementations

impl ConfigProvider for EnvConfigProvider

fn get_raw(&self, key: &str) -> Result<Option<Value>, ConfigError>

Get a raw configuration value by key. Returns a JSON Value that can be later deserialized into specific types.

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

Check if the configuration provider has a value for the given key.

fn provider_name(&self) -> &str

Get the name of the configuration provider for debugging purposes.

impl Debug for EnvConfigProvider

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

Formats the value using the given formatter.

impl Default for EnvConfigProvider

fn default() -> Self

Returns the “default value” for a type.