//! This API is completely unstable and subject to change.
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
+#![cfg_attr(not(bootstrap), doc(rust_logo))]
+#![cfg_attr(not(bootstrap), feature(rustdoc_internals))]
+#![cfg_attr(not(bootstrap), allow(internal_features))]
#![feature(assert_matches)]
+#![feature(associated_type_defaults)]
#![feature(iterator_try_collect)]
#![feature(let_chains)]
#![feature(if_let_guard)]
mod needs_drop;
mod opaque_types;
pub mod representability;
+pub mod sig_types;
mod structural_match;
mod ty;