// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements. See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership. The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License. You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied. See the License for the

// specific language governing permissions and limitations

// under the License.

use pyo3::prelude::*;

use datafusion::scalar::ScalarValue as _Scalar;

use crate::to_rust::to_rust_scalar;

/// An expression that can be used on a DataFrame

#[derive(Debug, Clone)]

pub(crate) struct Scalar {

pub(crate) scalar: _Scalar,

}

impl<'source> FromPyObject<'source> for Scalar {

fn extract(ob: &'source PyAny) -> PyResult<Self> {

Ok(Self {

scalar: to_rust_scalar(ob)?,

})

}

}