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Materialize extension variable polarity in error type reporting

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Ayaz Hafiz 2022-10-25 15:30:19 -05:00
parent 3c15ff4694
commit 4d48ea7c2f
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12 changed files with 277 additions and 126 deletions
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3
crates/compiler/solve/src/specialize.rs
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@ -20,7 +20,7 @@ use roc_types::{
get_member_lambda_sets_at_region, Content, Descriptor, GetSubsSlice, LambdaSet, Mark,
OptVariable, Rank, Subs, SubsSlice, UlsOfVar, Variable,
},
types::{AliasKind, MemberImpl, Uls},
types::{AliasKind, MemberImpl, Polarity, Uls},
};
use roc_unify::unify::{unify, Env as UEnv, Mode, MustImplementConstraints};
@ -584,6 +584,7 @@ fn compact_lambda_set<P: Phase>(
t_f1,
t_f2,
Mode::LAMBDA_SET_SPECIALIZATION,
Polarity::Pos,
)
.expect_success("ambient functions don't unify");
trace_compact!(3iter_end. subs, t_f1);