Silenced some warnings (unused arguments)

libs/q-test/include/q-test/spy.hpp

@@ -114,7 +114,7 @@ class call_spy
 	{ }
 
 	typename q::remove_rvalue_reference< Ret >::type
-	operator( )( Args... args )
+	operator( )( Args... )
 	{
 		counter_->inc( );
 		return value_;

libs/q/include/q/bit_flags.hpp

@@ -123,23 +123,23 @@ class bit_flags< 0 >
 	template< std::size_t index >
 	void set( bool value = true ); // This is impossible
 
-	void set( std::size_t index, bool value = true )
+	void set( std::size_t, bool = true )
 	{
 		throw std::out_of_range( "Bit is out of range" );
 	}
 
 	template< std::size_t index >
 	void unset( ); // This is impossible
 
-	void unset( std::size_t index )
+	void unset( std::size_t )
 	{
 		throw std::out_of_range( "Bit is out of range" );
 	}
 
 	template< std::size_t index >
 	bool is_set( ) const; // This is impossible
 
-	bool is_set( std::size_t index ) const
+	bool is_set( std::size_t ) const
 	{
 		throw std::out_of_range( "Bit is out of range" );
 	}

libs/q/include/q/promise/defer.hpp

@@ -341,7 +341,7 @@ class defer
 		and
 		::q::is_promise< Q_RESULT_OF( Fn ) >::value
 	>::type
-	set_by_fun( Fn&& fn, Args&&... args )
+	set_by_fun( Fn&& fn, Args&&... )
 	{
 		try
 		{