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// Copyright (C) 2019-2024 Aleo Systems Inc.
// This file is part of the Leo library.

// The Leo library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// The Leo library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.

use serde::{Deserialize, Serialize};
use std::fmt;

/// The sort of bindings to introduce, either `let` or `const`.
#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub enum DeclarationType {
    /// This is a `const` binding.
    Const,
    /// This is a `let` binding.
    Let,
}

impl fmt::Display for DeclarationType {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            DeclarationType::Const => write!(f, "const"),
            DeclarationType::Let => write!(f, "let"),
        }
    }
}