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added items() function #874

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Niels Lohmann 2018-01-05 18:34:10 +01:00
parent 96b40b27a5
commit 78f8f837e6
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doc/examples/items.cpp Normal file
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#include <iostream>
#include "json.hpp"
using json = nlohmann::json;
int main()
{
// create JSON values
json j_object = {{"one", 1}, {"two", 2}};
json j_array = {1, 2, 4, 8, 16};
// example for an object
for (auto& x : j_object.items())
{
std::cout << "key: " << x.key() << ", value: " << x.value() << '\n';
}
// example for an array
for (auto& x : j_array.items())
{
std::cout << "key: " << x.key() << ", value: " << x.value() << '\n';
}
}

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doc/examples/items.link Normal file
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<a target="_blank" href="https://wandbox.org/permlink/E7h0HOuw778Ski8S"><b>online</b></a>

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doc/examples/items.output Normal file
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key: one, value: 1
key: two, value: 2
key: 0, value: 1
key: 1, value: 2
key: 2, value: 4
key: 3, value: 8
key: 4, value: 16