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This commit is contained in:
Aleksey Kladov 2020-04-25 00:57:47 +02:00
parent dc2151085e
commit 63a462f37c
13 changed files with 63 additions and 53 deletions
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4
crates/ra_assists/src/handlers/add_custom_impl.rs
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@ -60,7 +60,6 @@ pub(crate) fn add_custom_impl(ctx: AssistCtx) -> Option<Assist> {
.collect::<Vec<SmolStr>>();
let has_more_derives = !new_attr_input.is_empty();
let new_attr_input = new_attr_input.iter().sep_by(", ").surround_with("(", ")").to_string();
let new_attr_input_len = new_attr_input.len();
let mut buf = String::new();
buf.push_str("\n\nimpl ");
@ -70,8 +69,9 @@ pub(crate) fn add_custom_impl(ctx: AssistCtx) -> Option<Assist> {
buf.push_str(" {\n");
let cursor_delta = if has_more_derives {
let delta = input.syntax().text_range().len() - TextSize::of(&new_attr_input);
edit.replace(input.syntax().text_range(), new_attr_input);
input.syntax().text_range().len() - TextSize::from_usize(new_attr_input_len)
delta
} else {
let attr_range = attr.syntax().text_range();
edit.delete(attr_range);