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

* 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
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

View File

@@ -48,7 +48,7 @@ jobs:
container: ghcr.io/nlohmann/json-ci:v2.3.0
strategy:
matrix:
target: [ci_test_diagnostics, ci_test_noexceptions, ci_test_noimplicitconversions]
target: [ci_test_diagnostics, ci_test_noexceptions, ci_test_noimplicitconversions, ci_test_legacycomparison]
steps:
- uses: actions/checkout@v3
- name: cmake