use std::mem;
use std::rc::Rc;
-use std::{
- cell::{Cell, RefCell},
- collections::hash_map::Entry,
-};
+use std::{cell::RefCell, collections::hash_map::Entry};
use crate::clean;
use crate::clean::inline::build_external_trait;
/// Used for normalization.
///
/// Most of this logic is copied from rustc_lint::late.
- crate param_env: Cell<ParamEnv<'tcx>>,
+ crate param_env: ParamEnv<'tcx>,
/// Later on moved into `cache`
crate renderinfo: RefCell<RenderInfo>,
/// Later on moved through `clean::Crate` into `cache`
}
crate fn with_param_env<T, F: FnOnce(&mut Self) -> T>(&mut self, def_id: DefId, f: F) -> T {
- let old_param_env = self.param_env.replace(self.tcx.param_env(def_id));
+ let old_param_env = mem::replace(&mut self.param_env, self.tcx.param_env(def_id));
let ret = f(self);
- self.param_env.set(old_param_env);
+ self.param_env = old_param_env;
ret
}
let mut ctxt = DocContext {
tcx,
resolver,
- param_env: Cell::new(ParamEnv::empty()),
+ param_env: ParamEnv::empty(),
external_traits: Default::default(),
active_extern_traits: Default::default(),
renderinfo: RefCell::new(renderinfo),