Florian Albrechtskirchinger 261cc4e509 Fix constraints on from_json() for strings (#3427) ...

Constrain from_json() overload for StringType to not accept json_ref and
require it to be assignable, instead of constructible, from
basic_json::string_t.

Re-enable C++14 tests on Clang <4.0.

Fixes #3171.
Fixes #3267.
Fixes #3312.
Fixes #3384.

2022-04-08 10:22:47 +02:00

..

json.hpp

Fix constraints on from_json() for strings (#3427)

2022-04-08 10:22:47 +02:00