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can::Expr::ParamsVar for lookups with params

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Agus Zubiaga 2024-05-09 23:58:05 -03:00
parent 5aebb7b570
commit 1526fc4aee
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7 changed files with 67 additions and 5 deletions
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19
crates/compiler/constrain/src/expr.rs
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@ -575,6 +575,22 @@ pub fn constrain_expr(
constraints.and_constraint([store_expected, lookup_constr])
}
ParamsVar {
symbol,
params,
var,
} => {
// Save the expectation in the variable, then lookup the symbol's type in the environment
let expected_type = *constraints[expected].get_type_ref();
let store_expected = constraints.store(expected_type, *var, file!(), line!());
let lookup_constr = constraints.lookup(*symbol, expected, region);
// todo(agus): check params
// let params_constr = constraints.lookup(*params, expected, region);
constraints.and_constraint([store_expected, lookup_constr])
}
&AbilityMember(symbol, specialization_id, specialization_var) => {
// Save the expectation in the `specialization_var` so we know what to specialize, then
// lookup the member in the environment.
@ -4115,7 +4131,8 @@ fn is_generalizable_expr(mut expr: &Expr) -> bool {
| ZeroArgumentTag { .. }
| Tag { .. }
| AbilityMember(..)
| Var(..) => return false,
| Var(..)
| ParamsVar { .. } => return false,
}
}
}