2 files changed, 11 insertions, 12 deletions

diff --git a/crates/syntax/Cargo.toml b/crates/syntax/Cargo.toml
index 0c3fec3c7..9f01acc26 100644
--- a/crates/syntax/Cargo.toml
+++ b/crates/syntax/Cargo.toml
@@ -16,7 +16,7 @@ itertools = "0.10.0"
 rowan = "0.13.0-pre.3"
 rustc_lexer = { version = "710.0.0", package = "rustc-ap-rustc_lexer" }
 rustc-hash = "1.1.0"
-arrayvec = "0.5.1"
+arrayvec = "0.6"
 once_cell = "1.3.1"
 indexmap = "1.4.0"
 smol_str = { version = "0.1.15", features = ["serde"] }
diff --git a/crates/syntax/src/ast/edit.rs b/crates/syntax/src/ast/edit.rs
index 18820786a..8c60927e4 100644
--- a/crates/syntax/src/ast/edit.rs
+++ b/crates/syntax/src/ast/edit.rs
@@ -2,7 +2,7 @@
 //! immutable, all function here return a fresh copy of the tree, instead of
 //! doing an in-place modification.
 use std::{
-    fmt, iter,
+    array, fmt, iter,
     ops::{self, RangeInclusive},
 };
 
@@ -32,7 +32,7 @@ impl ast::BinExpr {
 impl ast::Fn {
     #[must_use]
     pub fn with_body(&self, body: ast::BlockExpr) -> ast::Fn {
-        let mut to_insert: ArrayVec<[SyntaxElement; 2]> = ArrayVec::new();
+        let mut to_insert: ArrayVec<SyntaxElement, 2> = ArrayVec::new();
         let old_body_or_semi: SyntaxElement = if let Some(old_body) = self.body() {
             old_body.syntax().clone().into()
         } else if let Some(semi) = self.semicolon_token() {
@@ -55,9 +55,8 @@ impl ast::Fn {
 
         let anchor = self.name().expect("The function must have a name").syntax().clone();
 
-        let mut to_insert: ArrayVec<[SyntaxElement; 1]> = ArrayVec::new();
-        to_insert.push(generic_args.syntax().clone().into());
-        self.insert_children(InsertPosition::After(anchor.into()), to_insert)
+        let to_insert = [generic_args.syntax().clone().into()];
+        self.insert_children(InsertPosition::After(anchor.into()), array::IntoIter::new(to_insert))
     }
 }
 
@@ -96,7 +95,7 @@ where
 impl ast::Impl {
     #[must_use]
     pub fn with_assoc_item_list(&self, items: ast::AssocItemList) -> ast::Impl {
-        let mut to_insert: ArrayVec<[SyntaxElement; 2]> = ArrayVec::new();
+        let mut to_insert: ArrayVec<SyntaxElement, 2> = ArrayVec::new();
         if let Some(old_items) = self.assoc_item_list() {
             let to_replace: SyntaxElement = old_items.syntax().clone().into();
             to_insert.push(items.syntax().clone().into());
@@ -141,7 +140,7 @@ impl ast::AssocItemList {
             },
         };
         let ws = tokens::WsBuilder::new(&format!("{}{}", whitespace, indent));
-        let to_insert: ArrayVec<[SyntaxElement; 2]> =
+        let to_insert: ArrayVec<SyntaxElement, 2> =
             [ws.ws().into(), item.syntax().clone().into()].into();
         self.insert_children(position, to_insert)
     }
@@ -192,7 +191,7 @@ impl ast::RecordExprFieldList {
             tokens::single_space()
         };
 
-        let mut to_insert: ArrayVec<[SyntaxElement; 4]> = ArrayVec::new();
+        let mut to_insert: ArrayVec<SyntaxElement, 4> = ArrayVec::new();
         to_insert.push(space.into());
         to_insert.push(field.syntax().clone().into());
         to_insert.push(make::token(T![,]).into());
@@ -305,7 +304,7 @@ impl ast::PathSegment {
                 iter::once(type_args.syntax().clone().into()),
             );
         }
-        let mut to_insert: ArrayVec<[SyntaxElement; 2]> = ArrayVec::new();
+        let mut to_insert: ArrayVec<SyntaxElement, 2> = ArrayVec::new();
         if turbo {
             to_insert.push(make::token(T![::]).into());
         }
@@ -444,7 +443,7 @@ impl ast::MatchArmList {
         let arm_ws = tokens::WsBuilder::new("    ");
         let match_indent = &leading_indent(self.syntax()).unwrap_or_default();
         let match_ws = tokens::WsBuilder::new(&format!("\n{}", match_indent));
-        let to_insert: ArrayVec<[SyntaxElement; 3]> =
+        let to_insert: ArrayVec<SyntaxElement, 3> =
             [arm_ws.ws().into(), item.syntax().clone().into(), match_ws.ws().into()].into();
         self.insert_children(position, to_insert)
     }
@@ -465,7 +464,7 @@ impl ast::GenericParamList {
     pub fn append_param(&self, item: ast::GenericParam) -> ast::GenericParamList {
         let space = tokens::single_space();
 
-        let mut to_insert: ArrayVec<[SyntaxElement; 4]> = ArrayVec::new();
+        let mut to_insert: ArrayVec<SyntaxElement, 4> = ArrayVec::new();
         if self.generic_params().next().is_some() {
             to_insert.push(space.into());
         }