Use emplace_back in pattern_formatter

include/spdlog/details/pattern_formatter_impl.h

@@ -502,8 +502,7 @@ inline void spdlog::pattern_formatter::compile_pattern(const std::string& patter
         if (*it == '%')
         {
             if (user_chars) //append user chars found so far
-                _formatters.push_back(std::move(user_chars));
-
+                _formatters.push_back(std::move(user_chars));				
             if (++it != end)
                 handle_flag(*it);
             else
@@ -527,136 +526,136 @@ inline void spdlog::pattern_formatter::handle_flag(char flag)
     switch (flag)
     {
     // logger name
-    case 'n':
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::name_formatter()));
+    case 'n':        
+		_formatters.emplace_back(new details::name_formatter());
         break;
 
     case 'l':
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::level_formatter()));
+       _formatters.emplace_back(new details::level_formatter());
         break;
 
     case 'L':
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::short_level_formatter()));
+       _formatters.emplace_back(new details::short_level_formatter());
         break;
 
     case('t'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::t_formatter()));
+       _formatters.emplace_back(new details::t_formatter());
         break;
 
     case('v'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::v_formatter()));
+       _formatters.emplace_back(new details::v_formatter());
         break;
 
     case('a'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::a_formatter()));
+       _formatters.emplace_back(new details::a_formatter());
         break;
 
     case('A'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::A_formatter()));
+       _formatters.emplace_back(new details::A_formatter());
         break;
 
     case('b'):
     case('h'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::b_formatter()));
+       _formatters.emplace_back(new details::b_formatter());
         break;
 
     case('B'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::B_formatter()));
+       _formatters.emplace_back(new details::B_formatter());
         break;
     case('c'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::c_formatter()));
+       _formatters.emplace_back(new details::c_formatter());
         break;
 
     case('C'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::C_formatter()));
+       _formatters.emplace_back(new details::C_formatter());
         break;
 
     case('Y'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::Y_formatter()));
+       _formatters.emplace_back(new details::Y_formatter());
         break;
 
     case('D'):
     case('x'):
 
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::D_formatter()));
+       _formatters.emplace_back(new details::D_formatter());
         break;
 
     case('m'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::m_formatter()));
+       _formatters.emplace_back(new details::m_formatter());
         break;
 
     case('d'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::d_formatter()));
+       _formatters.emplace_back(new details::d_formatter());
         break;
 
     case('H'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::H_formatter()));
+       _formatters.emplace_back(new details::H_formatter());
         break;
 
     case('I'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::I_formatter()));
+       _formatters.emplace_back(new details::I_formatter());
         break;
 
     case('M'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::M_formatter()));
+       _formatters.emplace_back(new details::M_formatter());
         break;
 
     case('S'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::S_formatter()));
+       _formatters.emplace_back(new details::S_formatter());
         break;
 
     case('e'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::e_formatter()));
+       _formatters.emplace_back(new details::e_formatter());
         break;
 
     case('f'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::f_formatter()));
+       _formatters.emplace_back(new details::f_formatter());
         break;
     case('F'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::F_formatter()));
+       _formatters.emplace_back(new details::F_formatter());
         break;
 
     case('E'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::E_formatter()));
+       _formatters.emplace_back(new details::E_formatter());
         break;
 
     case('p'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::p_formatter()));
+       _formatters.emplace_back(new details::p_formatter());
         break;
 
     case('r'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::r_formatter()));
+       _formatters.emplace_back(new details::r_formatter());
         break;
 
     case('R'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::R_formatter()));
+       _formatters.emplace_back(new details::R_formatter());
         break;
 
     case('T'):
     case('X'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::T_formatter()));
+       _formatters.emplace_back(new details::T_formatter());
         break;
 
     case('z'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::z_formatter()));
+       _formatters.emplace_back(new details::z_formatter());
         break;
 
     case ('+'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::full_formatter()));
+       _formatters.emplace_back(new details::full_formatter());
         break;
 
     case ('P'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::pid_formatter()));
+       _formatters.emplace_back(new details::pid_formatter());
         break;
 
 
     case ('i'):
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::i_formatter()));
+       _formatters.emplace_back(new details::i_formatter());
         break;
 
     default: //Unknown flag appears as is
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::ch_formatter('%')));
-        _formatters.push_back(std::unique_ptr<details::flag_formatter>(new details::ch_formatter(flag)));
+       _formatters.emplace_back(new details::ch_formatter('%'));
+       _formatters.emplace_back(new details::ch_formatter(flag));
         break;
     }
 }