From e28e73729698a985556239a578ae1325cdb3fb73 Mon Sep 17 00:00:00 2001
From: Dhruv Manilawala <dhruvmanila@gmail.com>
Date: Mon, 27 May 2024 21:22:13 +0530
Subject: [PATCH] Update `FStringElements` to deref to a slice (#11570)

Ref: https://github.com/astral-sh/ruff/pull/11400#discussion_r1615600354
---
 crates/ruff_python_ast/src/nodes.rs                | 2 +-
 crates/ruff_python_parser/src/parser/expression.rs | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/crates/ruff_python_ast/src/nodes.rs b/crates/ruff_python_ast/src/nodes.rs
index be96f89450c4d..a2fce003ee90f 100644
--- a/crates/ruff_python_ast/src/nodes.rs
+++ b/crates/ruff_python_ast/src/nodes.rs
@@ -1580,7 +1580,7 @@ impl<'a> IntoIterator for &'a mut FStringElements {
 }
 
 impl Deref for FStringElements {
-    type Target = Vec<FStringElement>;
+    type Target = [FStringElement];
 
     fn deref(&self) -> &Self::Target {
         &self.0
diff --git a/crates/ruff_python_parser/src/parser/expression.rs b/crates/ruff_python_parser/src/parser/expression.rs
index c512b22999f7b..fbb836c7597ca 100644
--- a/crates/ruff_python_parser/src/parser/expression.rs
+++ b/crates/ruff_python_parser/src/parser/expression.rs
@@ -1298,7 +1298,7 @@ impl<'src> Parser<'src> {
     ///
     /// If the parser isn't positioned at a `{` or `FStringMiddle` token.
     fn parse_fstring_elements(&mut self) -> FStringElements {
-        let mut elements = FStringElements::default();
+        let mut elements = vec![];
 
         self.parse_list(RecoveryContextKind::FStringElements, |parser| {
             let element = match parser.current_token_kind() {
@@ -1348,7 +1348,7 @@ impl<'src> Parser<'src> {
             elements.push(element);
         });
 
-        elements
+        FStringElements::from(elements)
     }
 
     /// Parses a f-string expression element.