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Impl subroutine type with default parameters

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This commit is contained in:
Shunsuke Shibayama 2022-10-18 10:50:41 +09:00
parent eadfe9794a
commit 4bb367f258
3 changed files with 55 additions and 14 deletions
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16
compiler/erg_parser/parse.rs
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@ -2813,12 +2813,18 @@ impl Parser {
for param in lambda.sig.params.defaults.into_iter() {
let param = match (param.sig.pat, param.sig.t_spec) {
(ParamPattern::VarName(name), Some(t_spec_with_op)) => {
ParamTySpec::new(Some(name.into_token()), t_spec_with_op.t_spec)
let param_spec =
ParamTySpec::new(Some(name.into_token()), t_spec_with_op.t_spec);
let default_spec = Self::expr_to_type_spec(param.default_val)?;
DefaultParamTySpec::new(param_spec, default_spec)
}
(ParamPattern::VarName(name), None) => ParamTySpec::anonymous(TypeSpec::PreDeclTy(
PreDeclTypeSpec::Simple(SimpleTypeSpec::new(name, ConstArgs::empty())),
)),
_ => todo!(),
(ParamPattern::VarName(name), None) => {
let default_spec = Self::expr_to_type_spec(param.default_val)?;
let param_spec =
ParamTySpec::new(Some(name.into_token()), default_spec.clone());
DefaultParamTySpec::new(param_spec, default_spec)
}
(l, r) => todo!("{:?} {:?}", l, r),
};
defaults.push(param);
}