snarkvm_algorithms/r1cs/
assignment.rs

1// Copyright (c) 2019-2025 Provable Inc.
2// This file is part of the snarkVM library.
3
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at:
7
8// http://www.apache.org/licenses/LICENSE-2.0
9
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16use crate::r1cs::errors::SynthesisError;
17
18pub trait Assignment<T> {
19    fn get(self) -> Result<T, SynthesisError>;
20
21    fn get_ref(&self) -> Result<&T, SynthesisError>;
22}
23
24impl<T> Assignment<T> for Option<T> {
25    fn get(self) -> Result<T, SynthesisError> {
26        match self {
27            Some(v) => Ok(v),
28            None => Err(SynthesisError::AssignmentMissing),
29        }
30    }
31
32    fn get_ref(&self) -> Result<&T, SynthesisError> {
33        match *self {
34            Some(ref v) => Ok(v),
35            None => Err(SynthesisError::AssignmentMissing),
36        }
37    }
38}
snarkvm_algorithms/r1cs/assignment.rs

snarkvm_algorithms/r1cs/
assignment.rs
