leo_ast/types/
mapping.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::Type;
18
19use leo_span::Symbol;
20use serde::{Deserialize, Serialize};
21use std::fmt;
22
23/// A mapping type of a key and value type.
24#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
25pub struct MappingType {
26    pub key: Box<Type>,
27    pub value: Box<Type>,
28    pub program: Symbol,
29}
30
31impl fmt::Display for MappingType {
32    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
33        write!(f, "({} => {})", self.key, self.value)
34    }
35}
leo_ast/types/mapping.rs

leo_ast/types/
mapping.rs
