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magic trailing comma for ExprList (#5365)

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David Szotten 2023-06-26 20:59:01 +01:00 • committed by GitHub
parent 190bed124f
commit 50a7769d69
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11 changed files with 163 additions and 186 deletions
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18
crates/ruff_python_formatter/src/expression/expr_list.rs
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@ -52,23 +52,7 @@ impl FormatNodeRule<ExprList> for FormatExprList {
"A non-empty expression list has dangling comments"
);
let items = format_with(|f| {
let mut iter = elts.iter();
if let Some(first) = iter.next() {
write!(f, [first.format()])?;
}
for item in iter {
write!(f, [text(","), soft_line_break_or_space(), item.format()])?;
}
if !elts.is_empty() {
write!(f, [if_group_breaks(&text(","))])?;
}
Ok(())
});
let items = format_with(|f| f.join_comma_separated().nodes(elts.iter()).finish());
write!(
f,