From ec09d7fc8bf28f52380cc7f90fb6ccf383c012ea Mon Sep 17 00:00:00 2001
From: klensy <klensy@users.noreply.github.com>
Date: Fri, 19 Feb 2021 18:47:22 +0300
Subject: [PATCH] simplify eat_digits

---
 library/core/src/num/dec2flt/parse.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/library/core/src/num/dec2flt/parse.rs b/library/core/src/num/dec2flt/parse.rs
index 2766843155a..858cc3c9b01 100644
--- a/library/core/src/num/dec2flt/parse.rs
+++ b/library/core/src/num/dec2flt/parse.rs
@@ -80,11 +80,8 @@ pub fn parse_decimal(s: &str) -> ParseResult<'_> {
 
 /// Carves off decimal digits up to the first non-digit character.
 fn eat_digits(s: &[u8]) -> (&[u8], &[u8]) {
-    let mut i = 0;
-    while i < s.len() && b'0' <= s[i] && s[i] <= b'9' {
-        i += 1;
-    }
-    (&s[..i], &s[i..])
+    let pos = s.iter().position(|c| !c.is_ascii_digit()).unwrap_or(s.len());
+    s.split_at(pos)
 }
 
 /// Exponent extraction and error checking.