From dc4ea800b7126e0751ba75eae095cc2a805dc8da Mon Sep 17 00:00:00 2001
From: r00ster91 <r00ster91@protonmail.com>
Date: Fri, 4 Jun 2021 14:32:47 +0200
Subject: [PATCH] Replace some std::iter::repeat with str::repeat

---
 clippy_lints/src/mem_discriminant.rs      | 3 +--
 clippy_lints/src/methods/clone_on_copy.rs | 5 ++---
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/clippy_lints/src/mem_discriminant.rs b/clippy_lints/src/mem_discriminant.rs
index a735c616f..aca96e06e 100644
--- a/clippy_lints/src/mem_discriminant.rs
+++ b/clippy_lints/src/mem_discriminant.rs
@@ -7,7 +7,6 @@ use rustc_errors::Applicability;
 use rustc_hir::{BorrowKind, Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_lint_pass, declare_tool_lint};
-use std::iter;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for calls of `mem::discriminant()` on a non-enum type.
@@ -67,7 +66,7 @@ impl<'tcx> LateLintPass<'tcx> for MemDiscriminant {
                                 }
                             }
 
-                            let derefs: String = iter::repeat('*').take(derefs_needed).collect();
+                            let derefs = "*".repeat(derefs_needed);
                             diag.span_suggestion(
                                 param.span,
                                 "try dereferencing",
diff --git a/clippy_lints/src/methods/clone_on_copy.rs b/clippy_lints/src/methods/clone_on_copy.rs
index ce2e8fa8b..1a32af5dc 100644
--- a/clippy_lints/src/methods/clone_on_copy.rs
+++ b/clippy_lints/src/methods/clone_on_copy.rs
@@ -8,7 +8,6 @@ use rustc_hir::{BindingAnnotation, Expr, ExprKind, MatchSource, Node, PatKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, adjustment::Adjust};
 use rustc_span::symbol::{sym, Symbol};
-use std::iter;
 
 use super::CLONE_DOUBLE_REF;
 use super::CLONE_ON_COPY;
@@ -54,8 +53,8 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, method_name: Symbol,
                             ty = inner;
                             n += 1;
                         }
-                        let refs: String = iter::repeat('&').take(n + 1).collect();
-                        let derefs: String = iter::repeat('*').take(n).collect();
+                        let refs = "&".repeat(n + 1);
+                        let derefs = "*".repeat(n);
                         let explicit = format!("<{}{}>::clone({})", refs, ty, snip);
                         diag.span_suggestion(
                             expr.span,