essence::meta::split< S, Delimiter > Struct Template Reference

Splits a literal string with a delimiter. More...

#include <literal_string_util.hpp>

Static Public Attributes
static constexpr std::string_view	view {S}
static constexpr auto	value

Detailed Description

template<literal_string S, literal_string Delimiter>
struct essence::meta::split< S, Delimiter >

Splits a literal string with a delimiter.

Template Parameters

S	The literal string.
Delimiter	The delimiter.

Member Data Documentation

value

template<literal_string S, literal_string Delimiter>

auto essence::meta::split< S, Delimiter >::value

staticconstexpr

Initial value:

= [] {
            constexpr auto group_count = [] {
                std::size_t count{};
                std::size_t index{};
 
                while ((index = view.find(Delimiter, index)) != std::string_view::npos) {
                    count++;
                    index += Delimiter.size();
                }
 
                return count + 1;
            }();
            std::array<std::string_view, group_count> result{};
 
            auto iter = result.begin();
 
            for (std::size_t start_index = 0, end_index = view.find(Delimiter);;
                 start_index = end_index + Delimiter.size(), end_index = view.find(Delimiter, start_index)) {
                *(iter++) = view.substr(start_index, end_index - start_index);
 
                if (end_index == std::string_view::npos) {
                    break;
                }
            }
 
            return result;
        }()

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

• include/essence/meta/literal_string_util.hpp