__cpp_lib_algorithm_default_value_type202403(C++26)List-initializationfor algorithms(1,2) Example The following example finds numbers in given sequences. Run this code #include <algorithm>#include <array>#include <cassert>#include <complex>#include <initializer_list>#include <iostream>#include <...
std::projected<ranges::iterator_t<R>, Proj>, const T*> constexpr ranges::borrowed_iterator_t<R> operator()( R&& r, const T& value, Proj proj = {} ) const { return (*this)(ranges::begin(r), ranges::end(r), value, std::ref(proj)); } }; inline constexpr find_fn find; ...
iterator_t<R>, Proj>> Pred > constexpr ranges::borrowed_iterator_t<R> operator()( R&& r, Pred pred = {}, Proj proj = {} ) const { return (*this)(ranges::begin(r), ranges::end(r), std::ref(pred), std::ref(proj)); } }; inline constexpr find_if_not_fn find_if_not...
if(NOT CXX_FILESYSTEM_STDCPPFS_NEEDED) 209 # Try the libc++ flag 210 set(CMAKE_REQUIRED_LIBRARIES ${prev_libraries} -lc++fs) 211 check_cxx_source_compiles("${code}" CXX_FILESYSTEM_CPPFS_NEEDED) 212 set(can_link ${CXX_FILESYSTEM_CPPFS_NEEDED}) 213 endif() ...
这段代码首先调用CalculateNewSores()函数计算出new_score的值。然后使用迭代器it在this_discriminator中查找是否存在指定的索引new_token_index,如果不存在,则创建一个新的集合new_discriminator并插入该索引,并将相关参数传入构造函数创建Beam对象并添加到new_beam_list中。如果存在,则对new_score进行特定操作,并同样创建...
=v.end())std::cout<<"First element indivisible by 13 in v: "<<*result<<'\n';elsestd::cout<<"All elements in v are divisible by 13\n";std::vector<std::complex<double>>nums{{4,2}};#ifdef __cpp_lib_algorithm_default_value_type// T gets deduced in (2) making list-...
second << "} "; std::cout << '\n'; #if __cpp_lib_algorithm_default_value_type const auto i3 = ranges::find_last(list, {"three", 3}); // (2) C++26 #else const auto i3 = ranges::find_last(list, P{"three", 3}); // (2) C++23 #endif assert(i3.begin()->first ==...
__cpp_lib_ranges_find_last 202207L (C++23) ranges::find_last, ranges::find_last_if, ranges::find_last_if_not Possible implementation These implementations only show the slower algorithm used when I models forward_iterator. find_last (1-2) struct find_last_fn { template<std::forward...