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Remove ty::ClosureKind::from_def_id

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…in favour of `TyCtxt::fn_trait_kind_from_def_id`
This commit is contained in:
Maybe Waffle
2022-11-22 18:24:50 +00:00
parent 881862ecb7
commit d0c7ed3bea
4 changed files with 12 additions and 20 deletions
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15
compiler/rustc_middle/src/ty/closure.rs
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@@ -118,18 +118,9 @@ impl<'tcx> ClosureKind {
}
}
pub fn from_def_id(tcx: TyCtxt<'_>, def_id: DefId) -> Option<ClosureKind> {
if Some(def_id) == tcx.lang_items().fn_once_trait() {
Some(ClosureKind::FnOnce)
} else if Some(def_id) == tcx.lang_items().fn_mut_trait() {
Some(ClosureKind::FnMut)
} else if Some(def_id) == tcx.lang_items().fn_trait() {
Some(ClosureKind::Fn)
} else {
None
}
}
/// Converts `self` to a [`DefId`] of the corresponding trait.
///
/// Note: the inverse of this function is [`TyCtxt::fn_trait_kind_from_def_id`]
pub fn to_def_id(&self, tcx: TyCtxt<'_>) -> DefId {
tcx.require_lang_item(
match self {