From gregmarr's review of #5622:
- count() counts every member with the key, so count(key) > 1 detects
duplicate keys; it was contains() as 0/1 before.
- get_to() passes types that get<T>() does not convert directly to
from_json with the existing value, as basic_json::get_to() does, so that
a from_json which sets only the fields present keeps the others.
- array_index() checks the empty token and "-" first; the results are
unchanged.
- Docs: no "if an exception is thrown" where a view never changes
anything; the borrowed source must also stay unmodified; items() on a
temporary view is safe; back()/front() notes shortened; the basic_json
see-also entries say how the view's results can differ.
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
Niels Lohmann
7b755737b4