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Create nlohmann serializers for std::optional and use

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This is somewhat tricky.
This commit is contained in:
John Ericson 2023-06-16 15:19:14 -04:00
parent 3b0d8fd796
commit c8825e9d8c
4 changed files with 97 additions and 25 deletions
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19
src/libutil/json-utils.cc Normal file
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@ -0,0 +1,19 @@
#include "json-utils.hh"
namespace nix {
const nlohmann::json * get(const nlohmann::json & map, const std::string & key)
{
auto i = map.find(key);
if (i == map.end()) return nullptr;
return &*i;
}
nlohmann::json * get(nlohmann::json & map, const std::string & key)
{
auto i = map.find(key);
if (i == map.end()) return nullptr;
return &*i;
}
}