Enum ConfigSource 

pub enum ConfigSource {
    Defaults,
    FilePath(String),
    EnvPrefix(String),
}

Where configuration should be loaded from.

Variants

Defaults

Use sane defaults only.

FilePath(String)

Load from a single file path.

EnvPrefix(String)

Load from environment variables (prefix-based).

Implementations

impl ConfigSource

pub fn parse(input: &str) -> Result<Self>

Parse a simple textual config source spec.

Supported:

• defaults
• file:<path>
• env:<prefix>

Errors

Returns an error when the scheme is unknown or when file: / env: is provided with an empty value.

Trait Implementations

impl Clone for ConfigSource

fn clone(&self) -> ConfigSource

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ConfigSource

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

Formats the value using the given formatter.

impl Default for ConfigSource

fn default() -> ConfigSource

Returns the “default value” for a type.