Trait Environment 

pub trait Environment {
    // Required method
    fn var(&self, key: &str) -> Result<String, VarError>;
}

Source of process-style key/value configuration.

Required Methods

fn var(&self, key: &str) -> Result<String, VarError>

Read key from this environment source.

Errors

Returns std::env::VarError when the key is absent or its value is not valid Unicode.

Implementors

impl Environment for ProcessEnvironment