C++ Mathematical Expression Toolkit (ExprTk) release
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Public Types | Public Member Functions | Private Attributes | List of all members
groups_impl::get< T > Class Template Referencefinal
Inheritance diagram for groups_impl::get< T >:
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Collaboration diagram for groups_impl::get< T >:
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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 scalar_t = typename generic_type::scalar_view
 
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

 get (groups_collection< std::string > &groups)
 
operator() (std::string &result, 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 ()
 

Private Attributes

strgrps_cllctn groups_
 

Additional Inherited Members

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

Detailed Description

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

Definition at line 250 of file exprtk_groups_examples.cpp.

Member Typedef Documentation

◆ generic_type

template<typename T >
using groups_impl::get< T >::generic_type = typename igfun_t::generic_type

Definition at line 256 of file exprtk_groups_examples.cpp.

◆ igfun_t

template<typename T >
using groups_impl::get< T >::igfun_t = typename exprtk::igeneric_function<T>

Definition at line 254 of file exprtk_groups_examples.cpp.

◆ parameter_list_t

template<typename T >
using groups_impl::get< T >::parameter_list_t = typename igfun_t::parameter_list_t

Definition at line 255 of file exprtk_groups_examples.cpp.

◆ scalar_t

template<typename T >
using groups_impl::get< T >::scalar_t = typename generic_type::scalar_view

Definition at line 257 of file exprtk_groups_examples.cpp.

◆ strgrps_cllctn

template<typename T >
using groups_impl::get< T >::strgrps_cllctn = groups_collection<std::string>

Definition at line 259 of file exprtk_groups_examples.cpp.

◆ string_t

template<typename T >
using groups_impl::get< T >::string_t = typename generic_type::string_view

Definition at line 258 of file exprtk_groups_examples.cpp.

Constructor & Destructor Documentation

◆ get()

template<typename T >
groups_impl::get< T >::get ( groups_collection< std::string > &  groups)
inline

Definition at line 263 of file exprtk_groups_examples.cpp.

264 : igfun_t("TT",igfun_t::e_rtrn_string)
265 , groups_(groups)
266 { exprtk::rtl::io::file::details::perform_check<T>(); }
typename exprtk::igeneric_function< T > igfun_t

Member Function Documentation

◆ operator()()

template<typename T >
T groups_impl::get< T >::operator() ( std::string &  result,
parameter_list_t  parameters 
)
inlineoverride

Definition at line 268 of file exprtk_groups_examples.cpp.

269 {
270 const auto ptr = scalar_t(parameters[0])();
271 const int index = static_cast<int>(scalar_t(parameters[1])());
272
273 assert(ptr != T(0));
274
275 auto& set = *make_set_handle<strgrps_cllctn::set_t>(ptr);
276
277 if (
278 (index >= 0) &&
279 (static_cast<std::size_t>(index) >= set.size())
280 )
281 {
282 return T(0);
283 }
284
285 auto itr = set.begin();
286 std::advance(itr,index);
287 result = *itr;
288 return T(1);
289 }
typename generic_type::scalar_view scalar_t

Member Data Documentation

◆ groups_

template<typename T >
strgrps_cllctn groups_impl::get< T >::groups_
private

Definition at line 293 of file exprtk_groups_examples.cpp.


The documentation for this class was generated from the following file: