fix(C++): add unordered_map type info hooks#3820
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chaokunyang
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Jul 5, 2026
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Why?
Nested collection IDL like
list<map<...>>requires the element serializer to exposewrite_type_infoandread_type_info.In C++,
std::mapalready did this, butstd::unordered_mapdid not, causing generated C++ for nested map collections to fail during template instantiation.What does this PR do?
std::unordered_mapserializer.Related issues
N/A.
AI Contribution Checklist
noDoes this PR introduce any user-facing change?
N/A.
Benchmark
N/A.