Function std::os::setenvExperimental
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pub fn setenv<T: BytesContainer>(n: &str, v: T)
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) }