Function std::os::setenv[src]
pub fn setenv(n: &str, v: &str)
Sets the environment variable n to the value v for the currently running
process.
Example
fn main() { use std::os; let key = "KEY"; os::setenv(key, "VALUE"); match os::getenv(key) { Some(ref val) => println!("{}: {}", key, val), None => println!("{} is not defined in the environment.", key) } }use std::os; let key = "KEY"; os::setenv(key, "VALUE"); match os::getenv(key) { Some(ref val) => println!("{}: {}", key, val), None => println!("{} is not defined in the environment.", key) }