Auto merge of #52764 - sinkuu:cleanup, r=nikomatsakis

Misc cleanups

1 files changed, 4 insertions, 6 deletions

diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index 0e9b0718b21..08c9ec4c989 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -32,7 +32,7 @@ use tokenstream::{self, TokenStream, TokenTree};
 
 use std::ascii;
 use std::io::{self, Write, Read};
-use std::iter::{self, Peekable};
+use std::iter::Peekable;
 use std::vec;
 
 pub enum AnnNode<'a> {
@@ -235,11 +235,11 @@ pub fn token_to_string(tok: &Token) -> String {
                 token::Integer(c)        => c.to_string(),
                 token::Str_(s)           => format!("\"{}\"", s),
                 token::StrRaw(s, n)      => format!("r{delim}\"{string}\"{delim}",
-                                                    delim=repeat("#", n as usize),
+                                                    delim="#".repeat(n as usize),
                                                     string=s),
                 token::ByteStr(v)         => format!("b\"{}\"", v),
                 token::ByteStrRaw(s, n)   => format!("br{delim}\"{string}\"{delim}",
-                                                    delim=repeat("#", n as usize),
+                                                    delim="#".repeat(n as usize),
                                                     string=s),
             };
 
@@ -661,7 +661,7 @@ pub trait PrintState<'a> {
             }
             ast::StrStyle::Raw(n) => {
                 (format!("r{delim}\"{string}\"{delim}",
-                         delim=repeat("#", n as usize),
+                         delim="#".repeat(n as usize),
                          string=st))
             }
         };
@@ -3180,8 +3180,6 @@ impl<'a> State<'a> {
     }
 }
 
-fn repeat(s: &str, n: usize) -> String { iter::repeat(s).take(n).collect() }
-
 #[cfg(test)]
 mod tests {
     use super::*;