From c2c50054f9b41bbbb0285283afaaa14ee7a2106b Mon Sep 17 00:00:00 2001
From: Krystian Stasiowski <sdkrystian@gmail.com>
Date: Fri, 18 Oct 2019 20:50:42 -0400
Subject: [PATCH] replace impl added

---
 include/boost/fixed_string/fixed_string.hpp   | 29 +++++++++++--
 .../boost/fixed_string/impl/fixed_string.hpp  | 41 +++++++++++++++++++
 2 files changed, 66 insertions(+), 4 deletions(-)

diff --git a/include/boost/fixed_string/fixed_string.hpp b/include/boost/fixed_string/fixed_string.hpp
index a1671a6..f412bd1 100644
--- a/include/boost/fixed_string/fixed_string.hpp
+++ b/include/boost/fixed_string/fixed_string.hpp
@@ -1303,7 +1303,14 @@ public:
     }
 
     template<typename T>
+#if GENERATING_DOCUMENTATION
     fixed_string&
+#else
+    typename std::enable_if<
+        std::is_convertible<T, string_view_type>::value &&
+        ! std::is_convertible<T, CharT const*>::value,
+            fixed_string&>::type
+#endif
     replace(
         size_type pos1,
         size_type n1,
@@ -1314,7 +1321,14 @@ public:
     }
 
     template<typename T>
+#if GENERATING_DOCUMENTATION
     fixed_string&
+#else
+    typename std::enable_if<
+        std::is_convertible<T, string_view_type>::value &&
+        ! std::is_convertible<T, CharT const*>::value,
+            fixed_string&>::type
+#endif
     replace(
         size_type pos1,
         size_type n1,
@@ -1340,7 +1354,7 @@ public:
         size_type n1,
         const CharT* s)
     {
-      return replace(pos, n, s, Traits::length(s));
+      return replace(pos, n1, s, Traits::length(s));
     }
 
     // impl 
@@ -1361,7 +1375,14 @@ public:
     }
 
     template<typename T>
+#if GENERATING_DOCUMENTATION
     fixed_string&
+#else
+    typename std::enable_if<
+        std::is_convertible<T, string_view_type>::value &&
+        ! std::is_convertible<T, CharT const*>::value,
+            fixed_string&>::type
+#endif
     replace(
         const_iterator i1,
         const_iterator i2,
@@ -1413,9 +1434,9 @@ public:
 
     fixed_string&
     replace(
-        const_iterator,
-        const_iterator,
-        std::initializer_list<CharT>)
+        const_iterator i1,
+        const_iterator i2,
+        std::initializer_list<CharT> il)
     {
       return replace(i1, i2, il.begin(), il.size());
     }
diff --git a/include/boost/fixed_string/impl/fixed_string.hpp b/include/boost/fixed_string/impl/fixed_string.hpp
index 543c583..056d6a0 100644
--- a/include/boost/fixed_string/impl/fixed_string.hpp
+++ b/include/boost/fixed_string/impl/fixed_string.hpp
@@ -569,6 +569,47 @@ swap(fixed_string<M, CharT, Traits>& s)
     Traits::copy(&s_[0], &tmp.s_[0], n_ + 1);
 }
 
+auto
+fixed_string<N, CharT, Traits>::
+replace(
+    size_type pos,
+    size_type n1,
+    const CharT* s,
+    size_type n2) -> fixed_string<N, CharT, Traits>&
+{
+  if (pos > size())
+    BOOST_THROW_EXCEPTION(std::out_of_range{
+           "pos > size()"});
+  if ((size() - n1 + n2) > max_size())
+    BOOST_THROW_EXCEPTION(std::length_error{
+           "replaced string exceeds max_size()"});
+  Traits::move(&s_[pos + n2], &s_[pos + n1], size() - pos - n1 + 1);
+  Traits::copy(&s_[pos], s, n2);
+  n_ += (n2 - n1);
+  return *this;
+}
+
+template<std::size_t N, typename CharT, typename Traits>
+auto
+fixed_string<N, CharT, Traits>::
+replace(
+    size_type pos,
+    size_type n1,
+    size_type n2,
+    CharT c) -> fixed_string<N, CharT, Traits> &
+{
+  if (pos > size())
+    BOOST_THROW_EXCEPTION(std::out_of_range{
+           "pos > size()"});
+  if ((size() - n1 + n2) > max_size())
+    BOOST_THROW_EXCEPTION(std::length_error{
+           "replaced string exceeds max_size()"});
+  Traits::move(&s_[pos + n2], &s_[pos + n1], size() - pos - n1 + 1);
+  Traits::assign(&s_[pos], n2, c);
+  n_ += (n2 - n1);
+  return *this;
+}
+
 
 template<std::size_t N, typename CharT, typename Traits>
 auto