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// Copyright (C) 2019-2021 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 super::*; pub struct BoolAnd(pub bool); impl Default for BoolAnd { fn default() -> Self { BoolAnd(false) } } impl Monoid for BoolAnd { fn append(self, other: Self) -> Self { BoolAnd(self.0 && other.0) } fn append_all(self, others: impl Iterator<Item = Self>) -> Self { for item in others { if !item.0 { return BoolAnd(false); } } BoolAnd(true) } }