From 00ac8aad7ff3d0a82419b31cdeaa593d228c07d1 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 18 Dec 2021 10:16:40 +0100
Subject: Speed optimization

---
 include/unicode.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/unicode.h b/include/unicode.h
index 37342a1..277c4de 100644
--- a/include/unicode.h
+++ b/include/unicode.h
@@ -30,7 +30,7 @@ namespace unicode {
  template<typename T>
  static inline bool is_valid_unicode(const T& value)
  {
-   return value <= 0x10FFFF && (value <= 0xD7FF || value >= 0xE000);
+   return value <= 0xD7FF || (value >= 0xE000 && value <= 0x10FFFF);
  }
 
 }
@@ -475,7 +475,7 @@ namespace unicode {
    if (value > 255)
     throw std::invalid_argument("Bad Unicode value above 255: "s + std::to_string(static_cast<uint32_t>(value)));
 
-   s.push_back(static_cast<utf8_t>(value));
+   s.push_back(static_cast<typename iso_back_insert_iterator::value_type>(value));
    return *this;
   }
 
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