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Niels LohmannandClaude Opus 5
5d93f35463
Two requirements forced users of otherwise suitable containers to write a wrapper, and neither was load-bearing. array_t::capacity() was read in push_back(), emplace_back(), operator+=(), and operator[](size_type), but set_parent() only looks at the value under JSON_DIAGNOSTICS; without diagnostics it was computed and discarded. Read it through array_capacity(), which reports unknown_size() when diagnostics are off or when the array type has no capacity() at all, and treat an unknown capacity as "the elements may have moved" so the parent pointers are refreshed conservatively. std::deque now works as ArrayType, in both builds, and capacity() is no longer named at all in a default build. Since the capacity is now only meaningful for array insertions, it moves out of set_parent() into set_parent_after_array_insert(). basic_json::erase(iterator) assigned the object's erase() return value, which requires the container to return the following iterator. Abseil's hash maps return void to avoid computing a successor the caller may not need. Detect that and compute the successor before erasing; containers that return an iterator, including the vector-backed ordered_map where a precomputed successor would be wrong, keep the existing path. Together these leave an Abseil hash map needing only an alias that restores the template argument order, and no adapter at all for std::deque. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_018hxZxz8svM54c6ATEvXp5E Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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