mod builtins; mod chunk; mod compiler; mod errors; mod eval; pub mod observer; mod opcode; mod pretty_ast; mod source; mod spans; mod systems; mod upvalues; mod value; mod vm; mod warnings; mod nix_search_path; #[cfg(test)] mod properties; #[cfg(test)] mod test_utils; #[cfg(test)] mod tests; use std::rc::Rc; // Re-export the public interface used by other crates. pub use crate::builtins::global_builtins; pub use crate::compiler::{compile, prepare_globals}; pub use crate::errors::EvalResult; pub use crate::eval::{interpret, Options}; pub use crate::pretty_ast::pretty_print_expr; pub use crate::source::SourceCode; pub use crate::value::Value; pub use crate::vm::run_lambda; // TODO: use Rc::unwrap_or_clone once it is stabilised. // https://doc.rust-lang.org/std/rc/struct.Rc.html#method.unwrap_or_clone pub fn unwrap_or_clone_rc(rc: Rc) -> T { Rc::try_unwrap(rc).unwrap_or_else(|rc| (*rc).clone()) }