#![feature(bool_to_option)]
#![feature(box_patterns)]
#![feature(core_intrinsics)]
+#![feature(const_btree_new)]
#![feature(discriminant_kind)]
#![feature(exhaustive_patterns)]
#![feature(if_let_guard)]
#[macro_use]
pub mod dep_graph;
pub mod hir;
-pub mod ich;
pub mod infer;
pub mod lint;
pub mod middle;