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Provide more complete AST accessors to support usage in rustc

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This commit is contained in:
Luca Barbieri 2020-04-03 21:12:09 +02:00 • committed by Aleksey Kladov
parent 8595693287
commit 60f4d7bd8c
18 changed files with 433 additions and 211 deletions
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6
crates/ra_fmt/src/lib.rs
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@ -60,10 +60,10 @@ pub fn extract_trivial_expression(block: &ast::BlockExpr) -> Option<ast::Expr> {
} else {
// Unwrap `{ continue; }`
let (stmt,) = block.statements().next_tuple()?;
if has_anything_else(stmt.syntax()) {
return None;
}
if let ast::Stmt::ExprStmt(expr_stmt) = stmt {
if has_anything_else(expr_stmt.syntax()) {
return None;
}
let expr = expr_stmt.expr()?;
match expr.syntax().kind() {
CONTINUE_EXPR | BREAK_EXPR | RETURN_EXPR => return Some(expr),