4 use crate::expr::Expr;
19 pub(crate) fn requires_semi_to_be_stmt(expr: &Expr) -> bool {  in requires_semi_to_be_stmt()
20     match expr {  in requires_semi_to_be_stmt()
21         Expr::Macro(expr) => !expr.mac.delimiter.is_brace(),  in requires_semi_to_be_stmt()
22         _ => requires_comma_to_be_match_arm(expr),  in requires_semi_to_be_stmt()
27 pub(crate) fn requires_comma_to_be_match_arm(expr: &Expr) -> bool {  in requires_comma_to_be_match_arm()
28     match expr {  in requires_comma_to_be_match_arm()
132 pub(crate) fn expr_leading_label(mut expr: &Expr) -> bool {  in expr_leading_label()
134         match expr {  in expr_leading_label()
140             Expr::Assign(e) => expr = &e.left,  in expr_leading_label()
141             Expr::Await(e) => expr = &e.base,  in expr_leading_label()
142             Expr::Binary(e) => expr = &e.left,  in expr_leading_label()
143             Expr::Call(e) => expr = &e.func,  in expr_leading_label()
144             Expr::Cast(e) => expr = &e.expr,  in expr_leading_label()
145             Expr::Field(e) => expr = &e.base,  in expr_leading_label()
146             Expr::Index(e) => expr = &e.expr,  in expr_leading_label()
147             Expr::MethodCall(e) => expr = &e.receiver,  in expr_leading_label()
149                 Some(start) => expr = start,  in expr_leading_label()
152             Expr::Try(e) => expr = &e.expr,  in expr_leading_label()
186 pub(crate) fn expr_trailing_brace(mut expr: &Expr) -> bool {  in expr_trailing_brace()
188         match expr {  in expr_trailing_brace()
201             Expr::Assign(e) => expr = &e.right,  in expr_trailing_brace()
202             Expr::Binary(e) => expr = &e.right,  in expr_trailing_brace()
203             Expr::Break(e) => match &e.expr {  in expr_trailing_brace()
204                 Some(e) => expr = e,  in expr_trailing_brace()
208             Expr::Closure(e) => expr = &e.body,  in expr_trailing_brace()
209             Expr::Let(e) => expr = &e.expr,  in expr_trailing_brace()
212                 Some(end) => expr = end,  in expr_trailing_brace()
215             Expr::RawAddr(e) => expr = &e.expr,  in expr_trailing_brace()
216             Expr::Reference(e) => expr = &e.expr,  in expr_trailing_brace()
217             Expr::Return(e) => match &e.expr {  in expr_trailing_brace()
218                 Some(e) => expr = e,  in expr_trailing_brace()
221             Expr::Unary(e) => expr = &e.expr,  in expr_trailing_brace()
223             Expr::Yield(e) => match &e.expr {  in expr_trailing_brace()
224                 Some(e) => expr = e,  in expr_trailing_brace()