some fixes in ptr_vector

alib2std/src/extensions/ptr_vector.hpp

@@ -59,7 +59,8 @@ public:
 		insert ( cbegin ( ), first, last );
 	}
-	ptr_vector ( size_type count, const T& value ) {
+	template < class R >
+	ptr_vector ( size_type count, const R & value ) {
 		insert ( cbegin ( ), count, value );
 	}
@@ -91,7 +92,8 @@ public:
 		return *this;
 	}
-	void assign ( size_type count, const T& value ) {
+	template < class R >
+	void assign ( size_type count, const R & value ) {
 		clear ( );
 		insert ( cbegin ( ), count, value );
 	}
@@ -140,14 +142,6 @@ public:
 		return * m_data.back ( );
 	}
-	/* T * const * data ( ) noexcept {
-		return m_data.data ( );
-	}
-
-	T const * const * data ( ) const noexcept {
-		return m_data.data ( );
-	} */
-
 	iterator begin ( ) noexcept {
 		return dereferencer ( m_data.begin ( ) );
 	}
@@ -240,7 +234,7 @@ public:
 	template < class R, class ... Args >
 	iterator emplace_set ( const_iterator pos, Args && ... args ) {
-		return set ( pos, new R ( std::forward < R > ( args ) ... ) );
+		return set ( pos, new R ( std::forward < Args > ( args ) ... ) );
 	}
 	template < class R >