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https://github.com/rust-lang/rust-analyzer
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21 lines
706 B
Rust
21 lines
706 B
Rust
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//! Functions to detect special lang items
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use hir_def::{AdtId, HasModule};
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use hir_expand::name;
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use crate::db::HirDatabase;
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pub fn is_box(adt: AdtId, db: &dyn HirDatabase) -> bool {
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let owned_box = name![owned_box].to_smol_str();
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let krate = adt.module(db.upcast()).krate();
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let box_adt = db.lang_item(krate, owned_box).and_then(|it| it.as_struct()).map(AdtId::from);
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Some(adt) == box_adt
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}
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pub fn is_unsafe_cell(adt: AdtId, db: &dyn HirDatabase) -> bool {
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let owned_box = name![unsafe_cell].to_smol_str();
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let krate = adt.module(db.upcast()).krate();
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let box_adt = db.lang_item(krate, owned_box).and_then(|it| it.as_struct()).map(AdtId::from);
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Some(adt) == box_adt
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}
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