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A comment on Brave overhauled its Rust adblock engine with FlatBuffers, cutting memory 75%. Parent comment

Re:Brave overhauled its Rust adblock engine with FlatBuffers... by steveklabnik on Monday January 05, 2026 @07:49PM (#46507350)
Rust crates can run arbitrary code at build time: https://doc.rust-lang.org/cargo/reference/build-scripts.html
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Re:Brave overhauled its Rust adblock engine with FlatBuffers... by pxc on Monday January 05, 2026 @08:01PM (#46507456)
Geez, thank you.
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Re:Brave overhauled its Rust adblock engine with FlatBuffers... by rafram on Tuesday January 06, 2026 @10:56AM (#46513929)
> Build scripts communicate with Cargo by printing to stdout.

Oh lord.

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Re:Brave overhauled its Rust adblock engine with FlatBuffers... by ComputerGuru on Tuesday January 06, 2026 @01:28PM (#46516407)
Wrote an entire crate to clean up that mess (and provide traditional autoconf-ish features for build.rs): https://crates.io/crates/rsconf
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