absent
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rvarago
A small C++17 library meant to simplify the composition of nullable types in a generic, type-safe, and declarative way.
In order to be consumed by the community with a higher level of confidence, _absent_ should lock the API and provide a first stable release 1.0.0.
On 10.7–10.12 `absent` fails to build with Clang: ``` Undefined symbols for architecture x86_64: "typeinfo for std::bad_variant_access", referenced from: __ZNSt3__126__throw_bad_variant_accessB6v15007Ev in and_then_test.cpp.o __ZNSt3__126__throw_bad_variant_accessB6v15007Ev in transform_test.cpp.o "vtable for std::bad_variant_access", referenced from:...
This PR fixes the following: 1. Wrong catch2 headers: the current version of catch2 does not have `catch2/catch.hpp` (so the build errs out), it should be `catch2/catch_all.hpp`. 2. Missing compiler...