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Intern Substitutions

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(Costs a bit of performance, reduces memory usage on RA by ~10%.)
This commit is contained in:
Florian Diebold 2021-04-08 18:25:18 +02:00
parent a169fa6a83
commit be03db0e3a
8 changed files with 34 additions and 27 deletions
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4
crates/hir_ty/src/lib.rs
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@ -109,7 +109,7 @@ pub type WhereClause = chalk_ir::WhereClause<Interner>;
pub fn subst_prefix(s: &Substitution, n: usize) -> Substitution {
Substitution::from_iter(
&Interner,
s.interned()[..std::cmp::min(s.len(&Interner), n)].iter().cloned(),
s.as_slice(&Interner)[..std::cmp::min(s.len(&Interner), n)].iter().cloned(),
)
}
@ -187,7 +187,7 @@ impl CallableSig {
.shifted_out_to(&Interner, DebruijnIndex::ONE)
.expect("unexpected lifetime vars in fn ptr")
.0
.interned()
.as_slice(&Interner)
.iter()
.map(|arg| arg.assert_ty_ref(&Interner).clone())
.collect(),