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< div id = "projectname" > JSON for Modern C++
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  < span id = "projectnumber" > 2.1.1< / span >
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< li class = "navelem" > < a class = "el" href = "namespacenlohmann.html" > nlohmann< / a > < / li > < li class = "navelem" > < a class = "el" href = "classnlohmann_1_1basic__json.html" > basic_json< / a > < / li > < li class = "navelem" > < a class = "el" href = "classnlohmann_1_1basic__json_1_1json__pointer.html" > json_pointer< / a > < / li > < / ul >
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< tr > < td class = "navtab" > < a class = "qindex" href = "classnlohmann_1_1basic__json_1_1json__pointer_abaa66b0d30811b8a8670a673c686b75a.html#abaa66b0d30811b8a8670a673c686b75a" > json_pointer< / a > < / td > < / tr >
< tr > < td class = "navtab" > < a class = "qindex" href = "classnlohmann_1_1basic__json_1_1json__pointer_aa2583b66886218c1a035e3e507a5f931.html#aa2583b66886218c1a035e3e507a5f931" > operator std::string< / a > < / td > < / tr >
< tr > < td class = "navtab" > < a class = "qindex" href = "classnlohmann_1_1basic__json_1_1json__pointer_a6779edcf28e6f018a3bbb29c0b4b5e1e.html#a6779edcf28e6f018a3bbb29c0b4b5e1e" > operator!=< / a > < / td > < / tr >
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< tr > < td class = "navtab" > < a class = "qindexHL" href = "classnlohmann_1_1basic__json_1_1json__pointer_adf63cdde9493796d8aa61bd948984b6d.html#adf63cdde9493796d8aa61bd948984b6d" > to_string< / a > < / td > < / tr >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#adf63cdde9493796d8aa61bd948984b6d" > ◆ < / a > < / span > to_string()< / h2 >
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template< template< typename U, typename V, typename... Args > class ObjectType = std::map, template< typename U, typename... Args > class ArrayType = std::vector, class StringType = std::string, class BooleanType = bool, class NumberIntegerType = std::int64_t, class NumberUnsignedType = std::uint64_t, class NumberFloatType = double, template< typename U > class AllocatorType = std::allocator, template< typename T, typename SFINAE=void > class JSONSerializer = adl_serializer> < / div >
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< td class = "memname" > std::string < a class = "el" href = "classnlohmann_1_1basic__json.html" > nlohmann::basic_json< / a > ::json_pointer::to_string < / td >
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< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > const< / td >
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< dl class = "section invariant" > < dt > Invariant< / dt > < dd > For each JSON pointer < code > ptr< / code > , it holds: < div class = "fragment" > < div class = "line" > ptr == < a class = "code" href = "classnlohmann_1_1basic__json_1_1json__pointer_abaa66b0d30811b8a8670a673c686b75a.html#abaa66b0d30811b8a8670a673c686b75a" > json_pointer< / a > (ptr.< a class = "code" href = "classnlohmann_1_1basic__json_1_1json__pointer_adf63cdde9493796d8aa61bd948984b6d.html#adf63cdde9493796d8aa61bd948984b6d" > to_string< / a > ());< / div > < / div > <!-- fragment --> < / dd > < / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > a string representation of the JSON pointer< / dd > < / dl >
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< dl class = "section user" > < dt > Example< / dt > < dd > The example shows the result of < code > to_string< / code > . < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "preprocessor" > #include " json.hpp" < / span > < / div > < div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < / div > < div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "keyword" > using< / span > < a class = "code" href = "namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474" > json< / a > = < a class = "code" href = "namespacenlohmann_a2bfd99e845a2e5cd90aeaf1b1431f474.html#a2bfd99e845a2e5cd90aeaf1b1431f474" > nlohmann::json< / a > ;< / div > < div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < / div > < div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "keywordtype" > int< / span > main()< / div > < div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   {< / div > < div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > // different JSON Pointers< / span > < / div > < div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   json::json_pointer ptr1(< span class = "stringliteral" > " " < / span > );< / div > < div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   json::json_pointer ptr2(< span class = "stringliteral" > " /foo" < / span > );< / div > < div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   json::json_pointer ptr3(< span class = "stringliteral" > " /foo/0" < / span > );< / div > < div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   json::json_pointer ptr4(< span class = "stringliteral" > " /" < / span > );< / div > < div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   json::json_pointer ptr5(< span class = "stringliteral" > " /a~1b" < / span > );< / div > < div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   json::json_pointer ptr6(< span class = "stringliteral" > " /c%d" < / span > );< / div > < div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   json::json_pointer ptr7(< span class = "stringliteral" > " /e^f" < / span > );< / div > < div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   json::json_pointer ptr8(< span class = "stringliteral" > " /g|h" < / span > );< / div > < div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   json::json_pointer ptr9(< span class = "stringliteral" > " /i\\j" < / span > );< / div > < div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   json::json_pointer ptr10(< span class = "stringliteral" > " /k\" l" < / span > );< / div > < div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   json::json_pointer ptr11(< span class = "stringliteral" > " / " < / span > );< / div > < div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   json::json_pointer ptr12(< span class = "stringliteral" > " /m~0n" < / span > );< / div > < div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div > < div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div > < div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   std::cout < < ptr1.to_string() < < < span class = "charliteral" > ' \n' < / span > < / div > < div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < < ptr2.to_string() < < < span class = "charliteral" > ' \n' < / span > < / div > < div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < < ptr3.to_string() < < < span class = "charliteral" > ' \n' < / span > < / div > < div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < < ptr4.to_string() < < < span class = "charliteral" > ' \n' < / span > < / div > < div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" >
< / div > <!-- fragment --> Output (play with this example < a target = "_blank" href = "https://wandbox.org/permlink/t6BQ8xMgkSUIcy1m" > < b > online< / b > < / a > ): < pre class = "fragment" >
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/foo
/foo/0
/
/a~1b
/c%d
/e^f
/g|h
/i\j
/k"l
/
/m~0n
< / pre > The example code above can be translated with< pre class = "fragment" > g++ -std=c++11 -Isrc doc/examples/
json_pointer__to_string.cpp -o
json_pointer__to_string < / pre > < / dd > < / dl >
< dl class = "section since" > < dt > Since< / dt > < dd > version 2.0.0 < / dd > < / dl >
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< p class = "definition" > Definition at line < a class = "el" href = "json_8hpp_source.html#l12600" > 12600< / a > of file < a class = "el" href = "json_8hpp_source.html" > json.hpp< / a > .< / p >
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