Replace some std::iter::repeat with str::repeat

[rust.git] / src / tools / clippy / clippy_lints / src / mem_discriminant.rs

diff --git a/src/tools/clippy/clippy_lints/src/mem_discriminant.rs b/src/tools/clippy/clippy_lints/src/mem_discriminant.rs
index a735c616f6e416fdeb06e0b8d6232875252b7a80..aca96e06ef2e779c9be14100770758b1ed88781e 100644 (file)
--- a/src/tools/clippy/clippy_lints/src/mem_discriminant.rs
+++ b/src/tools/clippy/clippy_lints/src/mem_discriminant.rs
@@ -7,7 +7,6 @@
 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 @@ fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
                                 }
                             }
 
-                            let derefs: String = iter::repeat('*').take(derefs_needed).collect();
+                            let derefs = "*".repeat(derefs_needed);
                             diag.span_suggestion(
                                 param.span,
                                 "try dereferencing",