1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
// Copyright (C) 2019-2021 Aleo Systems Inc. // This file is part of the snarkVM library. // The snarkVM 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 snarkVM 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 snarkVM library. If not, see <https://www.gnu.org/licenses/>. use crate::errors::SynthesisError; pub trait Assignment<T> { fn get(self) -> Result<T, SynthesisError>; fn get_ref(&self) -> Result<&T, SynthesisError>; } impl<T> Assignment<T> for Option<T> { fn get(self) -> Result<T, SynthesisError> { match self { Some(v) => Ok(v), None => Err(SynthesisError::AssignmentMissing), } } fn get_ref(&self) -> Result<&T, SynthesisError> { match *self { Some(ref v) => Ok(v), None => Err(SynthesisError::AssignmentMissing), } } }