//@ aux-build:env.rs //@ run-pass //@ rustc-env: THE_CONST=1 //@ compile-flags: -Zunstable-options --env-set THE_CONST=12 --env-set ANOTHER=4 #![crate_name = "foo"] extern crate env; use env::generate_const; generate_const!(); fn main() { assert_eq!(THE_CONST, 12); assert_eq!(ANOTHER, 1); }