Inheritance diagram for groups_impl::create< T >:

Collaboration diagram for groups_impl::create< T >:

Public Types
using	igfun_t = typename exprtk::igeneric_function< T >

using	parameter_list_t = typename igfun_t::parameter_list_t

using	generic_type = typename igfun_t::generic_type

using	string_t = typename generic_type::string_view

using	strgrps_cllctn = groups_collection< std::string >

Public Types inherited from exprtk::igeneric_function< T >
enum	return_type { e_rtrn_scalar = 0 , e_rtrn_string = 1 , e_rtrn_overload = 2 }

typedef T	type

typedef type_store< T >	generic_type

typedef generic_type::parameter_list	parameter_list_t

Public Member Functions
	create (groups_collection< std::string > &groups)

T	operator() (parameter_list_t parameters) override

Public Member Functions inherited from exprtk::igeneric_function< T >
	igeneric_function (const std::string &param_seq="", const return_type rtr_type=e_rtrn_scalar)

virtual	~igeneric_function ()

virtual T	operator() (parameter_list_t)

virtual T	operator() (std::string &, parameter_list_t)

virtual T	operator() (const std::size_t &, parameter_list_t)

virtual T	operator() (const std::size_t &, std::string &, parameter_list_t)

Public Member Functions inherited from exprtk::function_traits
	function_traits ()

bool &	allow_zero_parameters ()

bool &	has_side_effects ()

std::size_t &	min_num_args ()

std::size_t &	max_num_args ()

Public Attributes
strgrps_cllctn	groups_

Public Attributes inherited from exprtk::igeneric_function< T >
std::string	parameter_sequence

return_type	rtrn_type

Detailed Description

template<typename T>
class groups_impl::create< T >

Definition at line 73 of file exprtk_groups_examples.cpp.

Member Typedef Documentation

◆ generic_type

template<typename T >

using groups_impl::create< T >::generic_type = typename igfun_t::generic_type

Definition at line 79 of file exprtk_groups_examples.cpp.

◆ igfun_t

template<typename T >

using groups_impl::create< T >::igfun_t = typename exprtk::igeneric_function<T>

Definition at line 77 of file exprtk_groups_examples.cpp.

◆ parameter_list_t

template<typename T >

using groups_impl::create< T >::parameter_list_t = typename igfun_t::parameter_list_t

Definition at line 78 of file exprtk_groups_examples.cpp.

◆ strgrps_cllctn

template<typename T >

using groups_impl::create< T >::strgrps_cllctn = groups_collection<std::string>

Definition at line 82 of file exprtk_groups_examples.cpp.

◆ string_t

template<typename T >

using groups_impl::create< T >::string_t = typename generic_type::string_view

Definition at line 80 of file exprtk_groups_examples.cpp.

Constructor & Destructor Documentation

◆ create()

template<typename T >

groups_impl::create< T >::create ( groups_collection< std::string > & groups )

inline

Definition at line 86 of file exprtk_groups_examples.cpp.

   : exprtk::igeneric_function<T>("S")
   , groups_(groups)
   { exprtk::rtl::io::file::details::perform_check<T>(); }

Member Function Documentation

◆ operator()()

template<typename T >

T groups_impl::create< T >::operator() ( parameter_list_t parameters )

inlineoverride

Definition at line 91 of file exprtk_groups_examples.cpp.

   {
      const std::string group_name = to_str(string_t(parameters[0]));
 
      if (
           !groups_.contains(group_name) &&
           !groups_.add_group(group_name, {})
         )
      {
         return T(0);
      }
 
      auto ptr = groups_.get(group_name);
      const std::size_t ptr_size = sizeof(ptr);
      T result = T(0);
 
      std::memcpy(reinterpret_cast<char*>(&result ),
                  reinterpret_cast<char*>(&ptr),
                  ptr_size);
 
      return result;
   }