3 Rust MIR: a lowered representation of Rust.
7 #![feature(assert_matches)]
8 #![feature(bool_to_option)]
9 #![feature(box_patterns)]
10 #![feature(control_flow_enum)]
11 #![feature(crate_visibility_modifier)]
12 #![feature(decl_macro)]
13 #![feature(exact_size_is_empty)]
14 #![feature(in_band_lifetimes)]
17 #![feature(map_try_insert)]
18 #![feature(min_specialization)]
19 #![feature(slice_ptr_get)]
20 #![feature(option_get_or_insert_default)]
21 #![feature(never_type)]
22 #![feature(trait_alias)]
23 #![feature(trusted_len)]
24 #![feature(trusted_step)]
25 #![feature(try_blocks)]
26 #![recursion_limit = "256"]
31 extern crate rustc_middle;
38 use rustc_middle::ty::query::Providers;
40 pub fn provide(providers: &mut Providers) {
41 const_eval::provide(providers);
42 providers.eval_to_const_value_raw = const_eval::eval_to_const_value_raw_provider;
43 providers.eval_to_allocation_raw = const_eval::eval_to_allocation_raw_provider;
44 providers.const_caller_location = const_eval::const_caller_location;
45 providers.destructure_const = |tcx, param_env_and_value| {
46 let (param_env, value) = param_env_and_value.into_parts();
47 const_eval::destructure_const(tcx, param_env, value)
49 providers.const_to_valtree = |tcx, param_env_and_value| {
50 let (param_env, raw) = param_env_and_value.into_parts();
51 const_eval::const_to_valtree(tcx, param_env, raw)
53 providers.deref_const = |tcx, param_env_and_value| {
54 let (param_env, value) = param_env_and_value.into_parts();
55 const_eval::deref_const(tcx, param_env, value)