bjoernager/rust
bjoernager/rust
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use matches!() macro in more places

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This commit is contained in:
Matthias Krüger 2020-12-24 02:55:21 +01:00
parent c34c015fe2
commit d12a358673
34 changed files with 138 additions and 270 deletions
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18
compiler/rustc_ast/src/util/classify.rs
View file

@ -12,14 +12,14 @@ use crate::ast;
/// |x| 5
/// isn't parsed as (if true {...} else {...} | x) | 5
pub fn expr_requires_semi_to_be_stmt(e: &ast::Expr) -> bool {
match e.kind {
!matches!(
e.kind,
ast::ExprKind::If(..)
| ast::ExprKind::Match(..)
| ast::ExprKind::Block(..)
| ast::ExprKind::While(..)
| ast::ExprKind::Loop(..)
| ast::ExprKind::ForLoop(..)
| ast::ExprKind::TryBlock(..) => false,
_ => true,
}
| ast::ExprKind::Match(..)
| ast::ExprKind::Block(..)
| ast::ExprKind::While(..)
| ast::ExprKind::Loop(..)
| ast::ExprKind::ForLoop(..)
| ast::ExprKind::TryBlock(..)
)
}

6
compiler/rustc_ast/src/util/comments.rs
View file

@ -178,10 +178,8 @@ pub fn gather_comments(sm: &SourceMap, path: FileName, src: String) -> Vec<Comme
}
rustc_lexer::TokenKind::BlockComment { doc_style, .. } => {
if doc_style.is_none() {
let code_to_the_right = match text[pos + token.len..].chars().next() {
Some('\r' | '\n') => false,
_ => true,
};
let code_to_the_right =
!matches!(text[pos + token.len..].chars().next(), Some('\r' | '\n'));
let style = match (code_to_the_left, code_to_the_right) {
(_, true) => CommentStyle::Mixed,
(false, false) => CommentStyle::Isolated,