I recall that the Rust compiler uses the stacker crate [0] to grow the stack into the heap, and it's under the rust-lang organization on GitHub, so it's probabl

I recall that the Rust compiler uses the stacker crate [0] to grow the stack into the heap, and it's under the rust-lang organization on GitHub, so it's probably the closest you can get to an "in-language option" without it actually being in the standard library. However, it currently isn't supported for several platforms due to the lack of a suitable OS interface. [0] https://docs.rs/stacker/0.1.14/stacker/ https://docs.rs/stacker/0.1.14/stacker/