leo_grammar/expressions/
unary_expression.rs

1// Copyright (C) 2019-2020 Aleo Systems 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::{ast::Rule, expressions::Expression, operations::UnaryOperation, SpanDef};
18
19use pest::Span;
20use pest_ast::FromPest;
21use serde::Serialize;
22use std::fmt;
23
24#[derive(Clone, Debug, FromPest, PartialEq, Serialize)]
25#[pest_ast(rule(Rule::expression_unary))]
26pub struct UnaryExpression<'ast> {
27    pub operation: UnaryOperation,
28    pub expression: Expression<'ast>,
29    #[pest_ast(outer())]
30    #[serde(with = "SpanDef")]
31    pub span: Span<'ast>,
32}
33
34impl<'ast> fmt::Display for UnaryExpression<'ast> {
35    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
36        write!(f, "{}{}", self.operation, self.expression)
37    }
38}
leo_grammar/expressions/unary_expression.rs

leo_grammar/expressions/
unary_expression.rs
