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Resolve and compact specialized lambda sets

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This commit is contained in:
Ayaz Hafiz 2022-06-03 13:05:42 -05:00
parent d8888fc696
commit d71fadd8b0
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7 changed files with 421 additions and 58 deletions
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5
compiler/solve/src/ability.rs
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@ -625,6 +625,7 @@ pub fn resolve_ability_specialization(
.member_def(ability_member)
.expect("Not an ability member symbol");
// Figure out the ability we're resolving in a temporary subs snapshot.
let snapshot = subs.snapshot();
let signature_var = member_def
@ -632,8 +633,8 @@ pub fn resolve_ability_specialization(
.unwrap_or_else(|| internal_error!("Signature var not resolved for {:?}", ability_member));
instantiate_rigids(subs, signature_var);
let (_, must_implement_ability) = unify(subs, specialization_var, signature_var, Mode::EQ)
.expect_success(
let (_vars, must_implement_ability, _lambda_sets_to_specialize) =
unify(subs, specialization_var, signature_var, Mode::EQ).expect_success(
"If resolving a specialization, the specialization must be known to typecheck.",
);