Function itconfig::get_env [−][src]
pub fn get_env<T>(env_name: &str) -> Result<T, EnvError> where
T: FromEnvString,
Expand description
Try to read environment variable and parse to expected type. You may to put to argument
any type with FromEnvString
trait.
Example
use std::env; fn main () { env::set_var("DEBUG", "true"); let result: bool = get_env("DEBUG").unwrap(); assert_eq!(result, true); }