Convert buffer in range loops

fix #485

include/beast/core/detail/ostream.hpp

@@ -45,7 +45,7 @@ operator<<(std::ostream& os,
 {
     using boost::asio::buffer_cast;
     using boost::asio::buffer_size;
-    for(auto const& b : v.b_)
+    for(boost::asio::const_buffer b : v.b_)
         os.write(buffer_cast<char const*>(b),
             buffer_size(b));
     return os;

include/beast/websocket/detail/mask.hpp

@@ -254,7 +254,7 @@ void
 mask_inplace(
     MutableBuffers const& bs, KeyType& key)
 {
-    for(auto const& b : bs)
+    for(boost::asio::mutable_buffer b : bs)
         mask_inplace(b, key);
 }
 

include/beast/websocket/detail/pmd_extension.hpp

@@ -409,7 +409,7 @@ deflate(
     zs.next_in = nullptr;
     zs.avail_out = buffer_size(out);
     zs.next_out = buffer_cast<void*>(out);
-    for(auto const& in : cb)
+    for(boost::asio::const_buffer in : cb)
     {
         zs.avail_in = buffer_size(in);
         if(zs.avail_in == 0)

include/beast/websocket/detail/utf8_checker.hpp

@@ -132,7 +132,7 @@ write(ConstBufferSequence const& bs)
         "ConstBufferSequence requirements not met");
     using boost::asio::buffer_cast;
     using boost::asio::buffer_size;
-    for(auto const& b : bs)
+    for(boost::asio::const_buffer b : bs)
         if(! write(buffer_cast<std::uint8_t const*>(b),
                 buffer_size(b)))
             return false;