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Treat numbers as ad-hoc types for the purpose of checking ability obligations

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Ayaz Hafiz 2022-07-13 11:18:21 -04:00
parent 568e8d9475
commit 7b23077265
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3 changed files with 37 additions and 29 deletions
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6
crates/compiler/solve/src/solve.rs
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@ -2233,7 +2233,10 @@ fn make_specialization_decision(subs: &Subs, var: Variable) -> SpecializeDecisio
use Content::*;
use SpecializationTypeKey::*;
match subs.get_content_without_compacting(var) {
Structure(_) | Alias(_, _, _, AliasKind::Structural) => {
Alias(opaque, _, _, AliasKind::Opaque) if opaque.module_id() != ModuleId::NUM => {
SpecializeDecision::Specialize(Opaque(*opaque))
}
Structure(_) | Alias(_, _, _, _) => {
// This is a structural type, find the name of the derived ability function it
// should use.
match roc_derive_key::Derived::encoding(subs, var) {
@ -2258,7 +2261,6 @@ fn make_specialization_decision(subs: &Subs, var: Variable) -> SpecializeDecisio
}
}
}
Alias(opaque, _, _, AliasKind::Opaque) => SpecializeDecision::Specialize(Opaque(*opaque)),
Error => SpecializeDecision::Drop,
FlexAbleVar(_, _)
| RigidAbleVar(..)