Struct EnvSource 

pub struct EnvSource { /* private fields */ }

Available on crate feature conf and non-WebAssembly only.

Environment variable configuration source

Implementations

impl EnvSource

pub fn new() -> EnvSource

Create a new environment variable configuration source

Examples

use reinhardt_conf::settings::sources::EnvSource;

let source = EnvSource::new();
// Loads all environment variables

pub fn with_prefix(self, prefix: impl Into<String>) -> EnvSource

Set a prefix filter for environment variables

Examples

use reinhardt_conf::settings::sources::EnvSource;

let source = EnvSource::new()
    .with_prefix("APP_");
// Only loads env vars starting with APP_

pub fn with_interpolation(self, enabled: bool) -> EnvSource

Enable variable interpolation for environment values

Examples

use reinhardt_conf::settings::sources::EnvSource;

let source = EnvSource::new()
    .with_interpolation(true);
// Environment variables will support $VAR expansion

Trait Implementations

impl ConfigSource for EnvSource

fn load(&self) -> Result<IndexMap<String, Value>, SourceError>

Load configuration from this source

fn priority(&self) -> u8

Get the priority of this source (higher = more important)

fn description(&self) -> String

Get a description of this source

impl Default for EnvSource

fn default() -> EnvSource

Returns the “default value” for a type.