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Niels LohmannandClaude
feed1a48a4
simdutf.h rejects anything below C++17 with an #error, so defining JSON_USE_SIMDUTF in a C++11 or C++14 translation unit did not fail with a message about simdutf being unavailable - it failed to compile at all, taking the library's C++11 support with it. Nothing caught this because no build ever compiled that path. Gate the include and both uses on JSON_HAS_CPP_17, the same way number_parse.hpp gates std::from_chars. Below C++17 the macro now has no effect and the scalar validator runs; it accepts and rejects exactly the same input, so the macro is safe to set project-wide even when some translation units use an older standard. Co-Authored-By: Claude <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MXDi7NTMKAmoArUZSKMc4T Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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