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internal: Remove mutable syntax tree usages from add_missing_match_arms assist

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Shoyu Vanilla 2025-02-14 02:36:05 +09:00
parent 51389bd00d
commit 8b947d7a12
3 changed files with 66 additions and 113 deletions
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3
crates/syntax/src/ast/make.rs
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@ -837,7 +837,8 @@ pub fn match_guard(condition: ast::Expr) -> ast::MatchGuard {
pub fn match_arm_list(arms: impl IntoIterator<Item = ast::MatchArm>) -> ast::MatchArmList {
let arms_str = arms.into_iter().fold(String::new(), |mut acc, arm| {
let needs_comma = arm.expr().is_none_or(|it| !it.is_block_like());
let needs_comma =
arm.comma_token().is_none() && arm.expr().is_none_or(|it| !it.is_block_like());
let comma = if needs_comma { "," } else { "" };
let arm = arm.syntax();
format_to_acc!(acc, " {arm}{comma}\n")