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Fixes Rust code generation for single file output when using namespaces (#8877)

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* Adds tests for Rust single file mode

All existing tests only compile Rust code using --rust-module-root-file.

* Adds standalone include tests for Rust

The imports for these tests have been moved to their own file, as the existing intergration_test.rs file hides compilation issues from code generation due to symbols brought into scope outside of the generated code (e.g. `extern crate alloc`).

* Declare alloc crate in every Rust namespace

When performing code generation within a single file, extern crate alloc needs to be delcared to bring alloc into scope within every inner namespace.

* Regenerates generated schemas
This commit is contained in:
Cameron Mulhern
2026-02-04 15:28:18 +00:00
committed by GitHub
parent ea0a73d168
commit 5b9de8b6c0
9 changed files with 994 additions and 26 deletions
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8
tests/rust_usage_test/bin/flatbuffers_alloc_check.rs
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@@ -30,14 +30,6 @@ static A: TrackingAllocator = TrackingAllocator;
// import the flatbuffers generated code:
extern crate flatbuffers;
#[allow(dead_code, unused_imports, clippy::all)]
#[path = "../../include_test1/mod.rs"]
pub mod include_test1_generated;
#[allow(dead_code, unused_imports, clippy::all)]
#[path = "../../include_test2/mod.rs"]
pub mod include_test2_generated;
#[allow(dead_code, unused_imports, clippy::all)]
#[path = "../../monster_test/mod.rs"]
mod monster_test_generated;