Fix C++20/gcc-12 issues (Part 2) (#3446)

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* Add C++20 3-way comparison operator and fix broken comparisons

Fixes #3207.
Fixes #3409.

* Fix iterators to meet (more) std::ranges requirements

Fixes #3130.
Related discussion: #3408

* Add note about CMake standard version selection to unit tests

Document how CMake chooses which C++ standard version to use when
building tests.

* Update documentation

* CI: add legacy discarded value comparison

* Fix internal linkage errors when building a module

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This commit is contained in:

Florian Albrechtskirchinger

2022-05-29 13:08:06 +02:00

committed by GitHub

parent ede6667858

commit 6b97599a27

35 changed files with 1963 additions and 690 deletions

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single_include/nlohmann/json.hpp

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