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* mkdocs: add string_view examples * mkdocs: reference underlying operators * mkdocs: add operator<=> examples * mkdocs: fix style check issues * mkdocs: tweak BJData page * mkdocs: add CMake option hints to macros * mkdocs: fix JSON_DISABLE_ENUM_SERIALIZATION definition * mkdocs: fix link to unit-udt.cpp * mkdocs: fix "Arbitrary Type Conversions" title * mkdocs: link to api/macros/*.md instead of features/macros.md * mkdocs: document JSON_DisableEnumSerialization CMake option * mkdocs: encode required C++ standard in example files * docset: detect gsed/sed * docset: update index * docset: fix CSS patching * docset: add list_missing_pages make target * docset: add list_removed_paths make target * docset: replace page titles with name from index * docset: add install target for Zeal docset browser * Use GCC_TOOL in ci_test_documentation target
20 lines
599 B
C++
20 lines
599 B
C++
#include <iostream>
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#include <string_view>
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#include <nlohmann/json.hpp>
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using namespace std::string_view_literals;
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using json = nlohmann::json;
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int main()
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{
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// create some JSON values
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json j_object = R"( {"key": "value"} )"_json;
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json j_array = R"( [1, 2, 3] )"_json;
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// call contains
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std::cout << std::boolalpha <<
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"j_object contains 'key': " << j_object.contains("key"sv) << '\n' <<
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"j_object contains 'another': " << j_object.contains("another"sv) << '\n' <<
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"j_array contains 'key': " << j_array.contains("key"sv) << std::endl;
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}
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