std::env

std::env provides access to process environment variables and common directory helpers.

Full reference: env.

Example: get#

import std::env;
import { println } from "std/io";

fn main () -> int {
  let v_opt = std::env::get("HOME");
  match (v_opt) {
    Some(v) => println("HOME = {}", v),
    None => println("HOME is not set"),
  };
  return 0;
}

See also#

• Full reference: env
• Typed errors: typed errors