From bc37fdb4b746ce0f5f5c49ad9779464acb488284 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 18 Jan 2022 22:40:39 +0800
Subject: ...

---
 src/common/StringUtil.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/common/StringUtil.cpp')

diff --git a/src/common/StringUtil.cpp b/src/common/StringUtil.cpp
index 04435a0a..1f5f6150 100644
--- a/src/common/StringUtil.cpp
+++ b/src/common/StringUtil.cpp
@@ -258,6 +258,8 @@ bool IsWhitespace(char16_t c) {
   return c == u' ' || c == u'\t' || c == u'\n' || c == u'\r';
 }
 
+bool IsDigit(char16_t c) { return c >= u'0' && c <= u'9'; }
+
 Utf8CodePointIterator CreateUtf8Iterator(const std::byte* buffer, Index size) {
   return Utf8CodePointIterator(reinterpret_cast<const char*>(buffer), size);
 }
-- 
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