leo_ast/types/struct_type.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::{Expression, Identifier};
18use itertools::Itertools as _;
19use leo_span::Symbol;
20use serde::{Deserialize, Serialize};
21use std::fmt;
22
23/// A composite type of a identifier and external program name.
24#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
25pub struct CompositeType {
26 /// The identifier of the composite definition.
27 pub id: Identifier,
28 /// Expressions for the const arguments passed to the struct's const parameters.
29 pub const_arguments: Vec<Expression>,
30 /// The external program that this composite is defined in.
31 pub program: Option<Symbol>,
32}
33
34impl fmt::Display for CompositeType {
35 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
36 if let Some(program) = self.program.as_ref() {
37 write!(f, "{}.aleo/{}", program, self.id)?;
38 } else {
39 write!(f, "{}", self.id)?;
40 }
41
42 if !self.const_arguments.is_empty() {
43 write!(f, "::[{}]", self.const_arguments.iter().format(", "))?;
44 }
45
46 Ok(())
47 }
48}