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Mark the unordered_set in the hash regression test const

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clang-tidy's misc-const-correctness check flagged it: the set is
never mutated after construction, only read via size().

Signed-off-by: Afonso Januário <afonso-januario@hotmail.com>
Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Afonso Januário authored and Niels Lohmann committed 2026-10-07 16:40:13 +02:00
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commit deec1d0a67
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tests/src/unit-hash.cpp
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@@ -145,7 +145,7 @@ TEST_CASE("hash<nlohmann::json>")
CHECK(std::hash<json> {}(json(-1)) == std::hash<json> {}(json(-1.0))); CHECK(std::hash<json> {}(json(-1)) == std::hash<json> {}(json(-1.0)));
// a std::unordered_set relies on this same consistency between == and hash // a std::unordered_set relies on this same consistency between == and hash
std::unordered_set<json> numbers {json(0), json(static_cast<unsigned>(0)), json(0.0)}; const std::unordered_set<json> numbers {json(0), json(static_cast<unsigned>(0)), json(0.0)};
CHECK(numbers.size() == 1); CHECK(numbers.size() == 1);
} }