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Coupon cutting

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Ayaz Hafiz 2022-05-04 17:49:42 -04:00 • committed by ayazhafiz
parent a242a90416
commit c1b1f60630
4 changed files with 10 additions and 17 deletions
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10
compiler/mono/src/ir.rs
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@ -4922,14 +4922,7 @@ fn get_specialization<'a>(
Some(member) => {
let snapshot = env.subs.snapshot();
instantiate_rigids(env.subs, member.signature_var);
let this_f = env.subs.get_content_without_compacting(symbol_var);
let member_f = env
.subs
.get_content_without_compacting(member.signature_var);
use roc_types::subs::SubsFmtContent;
let this_f = SubsFmtContent(&this_f, env.subs);
let member_f = SubsFmtContent(&member_f, env.subs);
dbg!(symbol, this_f, member_f);
let (_, must_implement_ability) = unify(
env.subs,
symbol_var,
@ -4938,6 +4931,7 @@ fn get_specialization<'a>(
)
.expect_success("This typechecked previously");
env.subs.rollback_to(snapshot);
let specializing_type =
type_implementing_member(&must_implement_ability, member.parent_ability);