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Collect generic arguments in associated type bindings

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Ryo Yoshida 2022-10-26 22:52:04 +09:00
parent f233ac447f
commit 63cba43b48
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GPG key ID: E25698A930586171
5 changed files with 44 additions and 31 deletions
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8
crates/hir-def/src/path/lower.rs
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@ -163,6 +163,10 @@ pub(super) fn lower_generic_args(
ast::GenericArg::AssocTypeArg(assoc_type_arg) => {
if let Some(name_ref) = assoc_type_arg.name_ref() {
let name = name_ref.as_name();
let args = assoc_type_arg
.generic_arg_list()
.and_then(|args| lower_generic_args(lower_ctx, args))
.map(Interned::new);
let type_ref = assoc_type_arg.ty().map(|it| TypeRef::from_ast(lower_ctx, it));
let bounds = if let Some(l) = assoc_type_arg.type_bound_list() {
l.bounds()
@ -171,7 +175,7 @@ pub(super) fn lower_generic_args(
} else {
Vec::new()
};
bindings.push(AssociatedTypeBinding { name, type_ref, bounds });
bindings.push(AssociatedTypeBinding { name, args, type_ref, bounds });
}
}
ast::GenericArg::LifetimeArg(lifetime_arg) => {
@ -214,6 +218,7 @@ fn lower_generic_args_from_fn_path(
let type_ref = TypeRef::from_ast_opt(ctx, ret_type.ty());
bindings.push(AssociatedTypeBinding {
name: name![Output],
args: None,
type_ref: Some(type_ref),
bounds: Vec::new(),
});
@ -222,6 +227,7 @@ fn lower_generic_args_from_fn_path(
let type_ref = TypeRef::Tuple(Vec::new());
bindings.push(AssociatedTypeBinding {
name: name![Output],
args: None,
type_ref: Some(type_ref),
bounds: Vec::new(),
});