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switch from type annotation to type variable

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Brendan Hansknecht 2023-04-06 20:17:22 -07:00
parent 8f4945f286
commit 6302a8d4b5
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11 changed files with 136 additions and 97 deletions
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49
crates/compiler/solve/src/solve.rs
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@ -1771,6 +1771,55 @@ fn solve(
state
}
IngestedFile(type_index, _, bytes) => {
let actual = either_type_index_to_var(
subs,
rank,
pools,
problems,
abilities_store,
obligation_cache,
&mut can_types,
aliases,
*type_index,
);
if let Success { .. } = unify(
&mut UEnv::new(subs),
actual,
Variable::LIST_U8,
Mode::EQ,
Polarity::OF_VALUE,
) {
// List U8 always valid.
state
} else if let Success { .. } = unify(
&mut UEnv::new(subs),
actual,
Variable::STR,
Mode::EQ,
Polarity::OF_VALUE,
) {
// Str only valid if valid utf8.
if std::str::from_utf8(bytes).is_err() {
todo!("add type error due to not being a utf8 string");
}
state
} else {
// Unexpected type.
todo!("Add type error for unsupported ingested file type");
// let problem = TypeError::BadExpr(
// *region,
// Category::Lookup(*symbol),
// actual_type,
// expectation.replace_ref(expected_type),
// );
// problems.push(problem);
// state
}
}
};
}