From fb592d76aa24e8fe74694038c283f56ea83ab568 Mon Sep 17 00:00:00 2001
From: Alan Du <alanhdu@gmail.com>
Date: Tue, 4 Jun 2019 02:28:50 -0400
Subject: Fix clippy::into_iter_on_ref

---
 crates/ra_hir/src/expr/validation.rs    | 2 +-
 crates/ra_hir/src/ty/infer.rs           | 2 +-
 crates/ra_ide_api/src/folding_ranges.rs | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/crates/ra_hir/src/expr/validation.rs b/crates/ra_hir/src/expr/validation.rs
index 0248b087d..592f558f2 100644
--- a/crates/ra_hir/src/expr/validation.rs
+++ b/crates/ra_hir/src/expr/validation.rs
@@ -57,7 +57,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
             _ => return,
         };
 
-        let lit_fields: FxHashSet<_> = fields.into_iter().map(|f| &f.name).collect();
+        let lit_fields: FxHashSet<_> = fields.iter().map(|f| &f.name).collect();
         let missed_fields: Vec<Name> = struct_def
             .fields(db)
             .iter()
diff --git a/crates/ra_hir/src/ty/infer.rs b/crates/ra_hir/src/ty/infer.rs
index 1723921e6..58cfcd8a2 100644
--- a/crates/ra_hir/src/ty/infer.rs
+++ b/crates/ra_hir/src/ty/infer.rs
@@ -1044,7 +1044,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
             Expr::StructLit { path, fields, spread } => {
                 let (ty, def_id) = self.resolve_variant(path.as_ref());
                 let substs = ty.substs().unwrap_or_else(Substs::empty);
-                for (field_idx, field) in fields.into_iter().enumerate() {
+                for (field_idx, field) in fields.iter().enumerate() {
                     let field_ty = def_id
                         .and_then(|it| match it.field(self.db, &field.name) {
                             Some(field) => Some(field),
diff --git a/crates/ra_ide_api/src/folding_ranges.rs b/crates/ra_ide_api/src/folding_ranges.rs
index b50bbee38..4400ff232 100644
--- a/crates/ra_ide_api/src/folding_ranges.rs
+++ b/crates/ra_ide_api/src/folding_ranges.rs
@@ -205,7 +205,7 @@ mod tests {
             "The amount of fold kinds is different than the expected amount"
         );
         for ((fold, range), fold_kind) in
-            folds.into_iter().zip(ranges.into_iter()).zip(fold_kinds.into_iter())
+            folds.iter().zip(ranges.into_iter()).zip(fold_kinds.iter())
         {
             assert_eq!(fold.range.start(), range.start());
             assert_eq!(fold.range.end(), range.end());
-- 
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