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turn all_nested_unused into used_childs

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Pietro Albini
2024-04-01 23:53:17 +02:00
parent 2c26072d8c
commit 2ec337c193
1 changed files with 5 additions and 5 deletions
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compiler/rustc_resolve/src/check_unused.rs
+5 -5
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@@ -299,12 +299,12 @@ fn calc_unused_spans(
let mut unused_spans = Vec::new();
let mut to_remove = Vec::new();
let mut all_nested_unused = true;
let mut used_childs = 0;
let mut previous_unused = false;
for (pos, (use_tree, use_tree_id)) in nested.iter().enumerate() {
let remove = match calc_unused_spans(unused_import, use_tree, *use_tree_id) {
UnusedSpanResult::Used => {
all_nested_unused = false;
used_childs += 1;
None
}
UnusedSpanResult::Unused { mut spans, remove } => {
@@ -312,7 +312,7 @@ fn calc_unused_spans(
Some(remove)
}
UnusedSpanResult::PartialUnused { mut spans, remove: mut to_remove_extra } => {
all_nested_unused = false;
used_childs += 1;
unused_spans.append(&mut spans);
to_remove.append(&mut to_remove_extra);
None
@@ -321,7 +321,7 @@ fn calc_unused_spans(
if let Some(remove) = remove {
let remove_span = if nested.len() == 1 {
remove
} else if pos == nested.len() - 1 || !all_nested_unused {
} else if pos == nested.len() - 1 || used_childs > 0 {
// Delete everything from the end of the last import, to delete the
// previous comma
nested[pos - 1].0.span.shrink_to_hi().to(use_tree.span)
@@ -343,7 +343,7 @@ fn calc_unused_spans(
}
if unused_spans.is_empty() {
UnusedSpanResult::Used
} else if all_nested_unused {
} else if used_childs == 0 {
UnusedSpanResult::Unused { spans: unused_spans, remove: full_span }
} else {
UnusedSpanResult::PartialUnused { spans: unused_spans, remove: to_remove }