cargo fmt

src/interp.rs

@@ -1,6 +1,6 @@
 use crate::ast::*;
-use std::collections::HashMap;
 use rand::Rng;
+use std::collections::HashMap;
 
 #[derive(Debug)]
 pub enum Value {

src/lib.rs

@@ -9,5 +9,4 @@ pub mod test {
     include!(concat!(env!("OUT_DIR"), "/exp_tests.rs"));
 }
 
-
 lalrpop_mod!(#[allow(clippy::all)] pub grammar);