[Rust] Updates FlatBufferBuilder so it supports dynamic usage#9166
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csmulhern wants to merge 1 commit into
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[Rust] Updates FlatBufferBuilder so it supports dynamic usage#9166csmulhern wants to merge 1 commit into
csmulhern wants to merge 1 commit into
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csmulhern
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cc @jtdavis777 for thoughts. |
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This exposes the lower-level Rust
FlatBufferBuilderhooks needed for runtime text-format parsing from a schema.Today, the public builder API mostly goes through
Push, where size and alignment are statically determined from a Rust type. That works for generated code, but not for a parser using dynamic schema data, where the element layout is only known at runtime.This PR adds raw vector start/end methods and exposes existing alignment, byte-push, field-tracking, and size helpers so a text parser can build FlatBuffers directly from schema metadata. These same APIs are public in the C++ builder API for similar purposes.