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Correctly handle inlining of async fn

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oxalica 2023-06-18 16:59:11 +08:00
parent fcfc6afe05
commit 52f1ce17aa
2 changed files with 146 additions and 10 deletions
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15
crates/syntax/src/ast/make.rs
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@ -447,6 +447,21 @@ pub fn block_expr(
ast_from_text(&format!("fn f() {buf}"))
}
pub fn async_move_block_expr(
stmts: impl IntoIterator<Item = ast::Stmt>,
tail_expr: Option<ast::Expr>,
) -> ast::BlockExpr {
let mut buf = "async move {\n".to_string();
for stmt in stmts.into_iter() {
format_to!(buf, " {stmt}\n");
}
if let Some(tail_expr) = tail_expr {
format_to!(buf, " {tail_expr}\n");
}
buf += "}";
ast_from_text(&format!("const _: () = {buf};"))
}
pub fn tail_only_block_expr(tail_expr: ast::Expr) -> ast::BlockExpr {
ast_from_text(&format!("fn f() {{ {tail_expr} }}"))
}