Much better verification

Author: Vianpyro

src/lib.rs

@@ -5,11 +5,6 @@ pub const MAX_LOGS: usize = 25;
 pub const MAX_REFS: usize = 10;
 const ANCHOR: &&() = &&();
 
-const FLAG: &str = env!(
-    "FLAG",
-    "FLAG environment variable not set -- refusing to start"
-);
-
 fn cache_ref<'call, 'extended, T: ?Sized>(x: &'call mut T) -> &'extended mut T {
     fn coerce<'call, 'extended, T: ?Sized>(
         _: &'call &'extended (),

src/main.rs

@@ -1,6 +1,8 @@
 use std::io::{self, BufWriter};
 
 fn main() -> io::Result<()> {
+    std::env::var("FLAG").expect("FLAG environment variable not set -- refusing to start");
+
     let stdin = io::stdin();
     let stdout = io::stdout();
     let mut writer = BufWriter::new(stdout.lock());