[−][src]Function envmnt::get_remove
pub fn get_remove<K: AsRef<OsStr>>(key: K) -> Option<String>
Removes the provided environment variable and returns its previous value (if any).
Arguments
key
- The environment variable to remove
Example
fn main() { envmnt::set("MY_ENV_VAR", "SOME VALUE"); assert!(envmnt::is_equal("MY_ENV_VAR", "SOME VALUE")); let value = envmnt::get_remove("MY_ENV_VAR"); assert!(!envmnt::exists("MY_ENV_VAR")); assert_eq!(value.unwrap(), "SOME VALUE"); }