From 60e3557ba0d2ce59a21ccc01660e29fec90b95a0 Mon Sep 17 00:00:00 2001
From: Diggory Hardy <git@dhardy.name>
Date: Wed, 9 Jun 2021 08:52:28 +0100
Subject: [PATCH] Correct usage of reserve

---
 src/distributions/other.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/distributions/other.rs b/src/distributions/other.rs
index 7ce95ec342e..4bbd7cf2fd9 100644
--- a/src/distributions/other.rs
+++ b/src/distributions/other.rs
@@ -97,7 +97,7 @@ impl DistString for Standard {
         // A char is encoded with at most four bytes, thus this reservation is
         // guaranteed to be sufficient. We do not shrink_to_fit afterwards so
         // that repeated usage on the same `String` buffer does not reallocate.
-        s.reserve(s.len() + 4 * len);
+        s.reserve(4 * len);
         s.extend(Distribution::<char>::sample_iter(self, rng).take(len));
     }
 }
@@ -126,7 +126,7 @@ impl DistString for Alphanumeric {
     fn append_string<R: Rng + ?Sized>(&self, rng: &mut R, string: &mut String, len: usize) {
         unsafe {
             let v = string.as_mut_vec();
-            v.reserve(v.len() + len);
+            v.reserve(len);
             v.extend(self.sample_iter(rng).take(len));
         }
     }