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fix ret type in generic

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This commit is contained in:
Yoshua Wuyts 2021-10-14 18:33:29 +02:00
parent 987ab1feda
commit f84b0b3242
1 changed files with 3 additions and 12 deletions
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15
crates/ide_assists/src/handlers/generate_delegate_methods.rs
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@ -1,4 +1,4 @@
use hir::{self, HasCrate, HasSource, HirDisplay};
use hir::{self, HasCrate, HasSource};
use syntax::ast::{self, make, AstNode, HasGenericParams, HasName, HasVisibility};
use crate::{
@ -105,16 +105,7 @@ pub(crate) fn generate_delegate_methods(acc: &mut Assists, ctx: &AssistContext)
arg_list,
);
let body = make::block_expr([], Some(tail_expr));
let ret_type = method.ret_type(ctx.db());
let ret_type = if ret_type.is_unknown() {
// FIXME: we currently can't resolve certain generics, and
// are returning placeholders instead. We should fix our
// type resolution here, so we return fewer placeholders.
Some(make::ret_type(make::ty_placeholder()))
} else {
let ret_type = &ret_type.display(ctx.db()).to_string();
Some(make::ret_type(make::ty(ret_type)))
};
let ret_type = method_source.ret_type();
let is_async = method_source.async_token().is_some();
let f = make::fn_(vis, name, type_params, params, body, ret_type, is_async)
.indent(ast::edit::IndentLevel(1))
@ -314,7 +305,7 @@ struct Person<T> {
}
impl<T> Person<T> {
$0pub(crate) async fn age<J, 'a>(&'a mut self, ty: T, arg: J) -> _ {
$0pub(crate) async fn age<J, 'a>(&'a mut self, ty: T, arg: J) -> T {
self.age.age(ty, arg)
}
}"#,