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Best way to check if key exists?

2

What is the best way to check if a given key exists in json? Json example { "1":{ "key":"A" } } I want to parse key `missingKey` but I do...

KordianD

General map-like conversions

5

> To repeat what I said on Slack, now that tuple-likes are supported it looks like general maps (where the key is not string-like) would also start working (being treated...

vinniefalco

detect variant

2

> std::variant is relatively easy because what else would have .valueless_on_exception(). I suppose it would be accurate enough if you check for v.index(), v.valueless_on_exception() and visit(f, v)

vinniefalco

type conversion between std::complex and value

3

The library should support `std::complex` natively

vinniefalco

The branch ``` if(sp.is_not_shared_and_deallocate_is_trivial()) return; ``` is never tested.

grisumbras

Now that https://github.com/boostorg/json/pull/522 has added `std::hash` support for the JSON types, adding `hash_value` overloads that simply return the result of `std::hash` (or vice versa) will also enable support for `boost::hash`....

pdimov

Stream cleanup

8

Fix #213

grisumbras

See https://app.codecov.io/gh/boostorg/json/compare/551/tree/include/boost/json/impl/serializer.ipp#D1L220 https://app.codecov.io/gh/boostorg/json/compare/551/tree/include/boost/json/impl/serializer.ipp#D1L339 The state is either untested, because the condition that leads to it is very rare, in which case it still should be recreated in tests. Or this...

grisumbras

Generate a header that defines symbol visibility macros during CMake build

1

See https://github.com/boostorg/json/issues/528#issuecomment-797602318

grisumbras

Explore Schubfach/Dragonbox float to string

2

See https://www.reddit.com/r/cpp/comments/ika6ml/dragonbox_yet_another_floattostring_conversion/ https://drive.google.com/file/d/1luHhyQF9zKlM8yJ1nebU0OgVYhfC6CBN/view https://github.com/abolz/Drachennest

vinniefalco