From 85d185fa985349580946c0942b00629371b51861 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Sommer?= <joerg@jo-so.de>
Date: Fri, 7 Jun 2019 22:27:06 +0200
Subject: [PATCH] Use character for `split()`

`cargo clippy` suggested to use a character instead of a string with a
single character.

See: <https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern>
---
 src/main.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index efbe024..3872417 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -81,7 +81,7 @@ impl FromStr for LevelSizes {
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         let mut sizes = Vec::new();
 
-        for size_str in s.split(",") {
+        for size_str in s.split(',') {
             let size: usize = size_str
                 .parse()
                 .map_err(|_| "Not a comma separated list of numbers")?;