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internal: rewrite **Repalce impl Trait** assist to mutable syntax trees

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This commit is contained in:
Aleksey Kladov 2021-05-09 18:20:37 +03:00
parent 984d20aad8
commit 5342800147
2 changed files with 20 additions and 23 deletions
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19
crates/syntax/src/ast/edit_in_place.rs
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@ -195,18 +195,13 @@ impl ast::GenericParamList {
pub fn add_generic_param(&self, generic_param: ast::GenericParam) {
match self.generic_params().last() {
Some(last_param) => {
let mut elems = Vec::new();
if !last_param
.syntax()
.siblings_with_tokens(Direction::Next)
.any(|it| it.kind() == T![,])
{
elems.push(make::token(T![,]).into());
elems.push(make::tokens::single_space().into());
};
elems.push(generic_param.syntax().clone().into());
let after_last_param = Position::after(last_param.syntax());
ted::insert_all(after_last_param, elems);
let position = Position::after(last_param.syntax());
let elements = vec![
make::token(T![,]).into(),
make::tokens::single_space().into(),
generic_param.syntax().clone().into(),
];
ted::insert_all(position, elements);
}
None => {
let after_l_angle = Position::after(self.l_angle_token().unwrap());