/*!
* @class FunctorUpcase
*
* @headerfile <seqan/modifier.h>
*
* @brief Functor that returns the upper case character for a given character.
*
* @signature template <typename TInType[, typename TResult]> struct
* FunctorUpcase;
*
* @tparam TInType The parameter/input type.
* @tparam TResult The return/result type, defaults to TInType.
*
* @fn FunctorUpcase::operator()
*
* @brief Function call operator.
*
* @signature TResult FunctorUpcase::operator()(in);
*
* @param[in] in The value to convert (<tt>in</tt>).
*
* @return TResult The converted value (<tt>TResult</tt>).
*/