Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-ty/src/lang_items.rs')
| -rw-r--r-- | crates/hir-ty/src/lang_items.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/crates/hir-ty/src/lang_items.rs b/crates/hir-ty/src/lang_items.rs new file mode 100644 index 0000000000..afc54e729f --- /dev/null +++ b/crates/hir-ty/src/lang_items.rs @@ -0,0 +1,20 @@ +//! Functions to detect special lang items + +use hir_def::{AdtId, HasModule}; +use hir_expand::name; + +use crate::db::HirDatabase; + +pub fn is_box(adt: AdtId, db: &dyn HirDatabase) -> bool { + let owned_box = name![owned_box].to_smol_str(); + let krate = adt.module(db.upcast()).krate(); + let box_adt = db.lang_item(krate, owned_box).and_then(|it| it.as_struct()).map(AdtId::from); + Some(adt) == box_adt +} + +pub fn is_unsafe_cell(adt: AdtId, db: &dyn HirDatabase) -> bool { + let owned_box = name![unsafe_cell].to_smol_str(); + let krate = adt.module(db.upcast()).krate(); + let box_adt = db.lang_item(krate, owned_box).and_then(|it| it.as_struct()).map(AdtId::from); + Some(adt) == box_adt +} |