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Format multiline branches with newlines before

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Richard Feldman 2022-07-06 17:35:32 -04:00
parent a209c44e42
commit 4530d9ebd3
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1 changed files with 14 additions and 0 deletions
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14
crates/compiler/fmt/src/expr.rs
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@ -699,6 +699,8 @@ fn fmt_when<'a, 'buf>(
buf.push_str("is");
buf.newline();
let mut prev_branch_was_multiline = false;
for (branch_index, branch) in branches.iter().enumerate() {
let expr = &branch.value;
let patterns = &branch.patterns;
@ -721,6 +723,11 @@ fn fmt_when<'a, 'buf>(
if branch_index > 0 {
buf.ensure_ends_in_newline();
if prev_branch_was_multiline {
// Multiline branches always get a full blank line after them.
buf.newline();
}
}
fmt_pattern(buf, sub_pattern, indent + INDENT, Parens::NotNeeded);
@ -728,6 +735,11 @@ fn fmt_when<'a, 'buf>(
other => {
buf.ensure_ends_in_newline();
if prev_branch_was_multiline {
// Multiline branches always get a full blank line after them.
buf.newline();
}
fmt_pattern(buf, other, indent + INDENT, Parens::NotNeeded);
}
}
@ -789,6 +801,8 @@ fn fmt_when<'a, 'buf>(
);
}
}
prev_branch_was_multiline = is_multiline_expr || is_multiline_patterns;
}
}