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fix: default parameter bug

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This commit is contained in:
Shunsuke Shibayama 2024-04-24 13:51:54 +09:00
parent 1da212565c
commit 4396695ad6
10 changed files with 203 additions and 63 deletions
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5
crates/erg_compiler/context/instantiate_spec.rs
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@ -264,7 +264,6 @@ impl Context {
pub(crate) fn instantiate_sub_sig_t(
&self,
sig: &ast::SubrSignature,
default_ts: Vec<Type>,
mode: RegistrationMode,
) -> Failable<Type> {
let mut errs = TyCheckErrors::empty();
@ -332,10 +331,12 @@ impl Context {
None
};
let mut defaults = vec![];
for ((n, p), default_t) in sig.params.defaults.iter().enumerate().zip(default_ts) {
for (n, p) in sig.params.defaults.iter().enumerate() {
let opt_decl_t = opt_decl_sig_t
.as_ref()
.and_then(|subr| subr.default_params.get(n));
// NOTE: We constrain this type variable later (in `ASTLowerer::lower_params`).
let default_t = free_var(self.level, Constraint::new_type_of(Type::Type));
match self.instantiate_param_ty(
&p.sig,
opt_decl_t,