Fix indentation of pipelines.

crates/aiken-lang/src/format.rs

@@ -1244,7 +1244,7 @@ impl<'comments> Formatter<'comments> {
 
             let expr = self
                 .operator_side(doc, 4, expr.binop_precedence())
-                .nest(2 * INDENT + 1);
+                .nest(2 * INDENT);
 
             match printed_comments(comments, true) {
                 None => {
@@ -1842,11 +1842,7 @@ impl<'a> Documentable<'a> for &'a ArgName {
 }
 
 fn pub_(public: bool) -> Document<'static> {
-    if public {
-        "pub ".to_doc()
-    } else {
-        nil()
-    }
+    if public { "pub ".to_doc() } else { nil() }
 }
 
 impl<'a> Documentable<'a> for &'a UnqualifiedImport {

crates/aiken-lang/src/tests/snapshots/format_pipe_fn.snap

@@ -5,9 +5,8 @@ description: "Code:\n\nfn foo() {\n  outputs\n    |> list.any(\n    fn(output) {
 fn foo() {
   outputs
     |> list.any(
-         fn(output) {
-           value.quantity_of(output.value, policy_id, asset_name) == 1
-         },
-       )
+        fn(output) {
+          value.quantity_of(output.value, policy_id, asset_name) == 1
+        },
+      )
 }
-