diff --git a/ablescript/src/ast.rs b/ablescript/src/ast.rs
index 6b16cba..de68ed9 100644
--- a/ablescript/src/ast.rs
+++ b/ablescript/src/ast.rs
@@ -8,9 +8,8 @@
 //! just plain subroutines and they do not return any value,
 //! so their calls are statements.
 
-use std::{fmt::Debug, hash::Hash};
-
 use crate::variables::Value;
+use std::{fmt::Debug, hash::Hash};
 
 type Span = std::ops::Range<usize>;
 
@@ -74,7 +73,10 @@ impl Assignable {
         }
     }
 
-    fn from_index(mut buf: Spanned<Expr>, index: Spanned<Expr>) -> Result<Assignable, InvalidAssignable> {
+    fn from_index(
+        mut buf: Spanned<Expr>,
+        index: Spanned<Expr>,
+    ) -> Result<Assignable, InvalidAssignable> {
         let mut indices = vec![index];
         let ident = loop {
             match buf.item {