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report unexposed values

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Folkert 2021-02-07 01:17:46 +01:00
parent 802f821782
commit dc5eec189c
8 changed files with 114 additions and 13 deletions
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9
compiler/mono/src/layout.rs
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@ -1324,7 +1324,11 @@ impl<'a> WrappedVariant<'a> {
}
}
pub fn union_sorted_tags<'a>(arena: &'a Bump, var: Variable, subs: &Subs) -> UnionVariant<'a> {
pub fn union_sorted_tags<'a>(
arena: &'a Bump,
var: Variable,
subs: &Subs,
) -> Result<UnionVariant<'a>, LayoutProblem> {
let var =
if let Content::RecursionVar { structure, .. } = subs.get_without_compacting(var).content {
structure
@ -1338,10 +1342,11 @@ pub fn union_sorted_tags<'a>(arena: &'a Bump, var: Variable, subs: &Subs) -> Uni
let opt_rec_var = get_recursion_var(subs, var);
union_sorted_tags_help(arena, tags_vec, opt_rec_var, subs)
}
Err((_, Content::Error)) => return Err(LayoutProblem::Erroneous),
Err(other) => panic!("invalid content in tag union variable: {:?}", other),
};
result
Ok(result)
}
fn get_recursion_var(subs: &Subs, var: Variable) -> Option<Variable> {