leo_ast/expressions/
async_.rs

1// Copyright (C) 2019-2025 Provable Inc.
2// This file is part of the Leo library.
3
4// The Leo library is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// The Leo library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
16
17use crate::{Block, Expression, Indent, Node, NodeID};
18use leo_span::Span;
19
20use serde::{Deserialize, Serialize};
21use std::fmt;
22
23/// An `async` block: e.g. `async { my_mapping.set(1, 2); }`.
24#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
25pub struct AsyncExpression {
26    /// The block to run asynchronously.
27    pub block: Block,
28    /// The span for the entire expression `async { my_mapping.set(1, 2); }`.
29    pub span: Span,
30    /// The ID of the node.
31    pub id: NodeID,
32}
33
34impl fmt::Display for AsyncExpression {
35    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
36        writeln!(f, "async {{")?;
37        for stmt in self.block.statements.iter() {
38            writeln!(f, "{}{}", Indent(stmt), stmt.semicolon())?;
39        }
40        write!(f, "}}")
41    }
42}
43
44impl From<AsyncExpression> for Expression {
45    fn from(value: AsyncExpression) -> Self {
46        Expression::Async(value)
47    }
48}
49
50crate::simple_node_impl!(AsyncExpression);
leo_ast/expressions/async_.rs

leo_ast/expressions/
async_.rs
