diff --git a/src/textstream/textstream.h b/src/textstream/textstream.h
index 9b17b32..7b48818 100644
--- a/src/textstream/textstream.h
+++ b/src/textstream/textstream.h
@@ -198,6 +198,12 @@ public:
 	TextStreamBase & operator<<(const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & arg);
 
 
+	template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
+	bool operator==(const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & stream) const;
+
+	template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
+	bool operator!=(const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & stream) const;
+
 
 	// min width for integer output
 	// if the output value has less digits then first zeroes are added
@@ -1206,6 +1212,46 @@ return *this;
 }
 
 
+template<typename char_type, size_t stack_size, size_t heap_block_size>
+template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
+bool TextStreamBase<char_type, stack_size, heap_block_size>::operator==(const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & stream) const
+{
+	bool are_the_same = false;
+
+	/*
+	 * at the moment we do not make any conversions for == and != operators
+	 * this may change in the future
+	 */
+	if( sizeof(char_type) == sizeof(arg_char_type) && size() == stream.size() )
+	{
+		are_the_same = true;
+		const_iterator i1 = begin();
+		const_iterator i2 = stream.begin();
+		const_iterator i1_end = end();
+
+		while( i1 != i1_end )
+		{
+			if( *i1 != *i2 )
+			{
+				are_the_same = false;
+				break;
+			}
+
+			++i1;
+			++i2;
+		}
+	}
+
+	return are_the_same;
+}
+
+
+template<typename char_type, size_t stack_size, size_t heap_block_size>
+template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
+bool TextStreamBase<char_type, stack_size, heap_block_size>::operator!=(const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & stream) const
+{
+	return !operator==(stream);
+}