parquet 22.0.0

Apache Parquet implementation in Rust
Documentation 
// 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.

fn main() {
    // Set Parquet version and "created by" string.
    let version = env!("CARGO_PKG_VERSION");
    let created_by = format!("parquet-rs version {}", version);
    println!("cargo:rustc-env=PARQUET_VERSION={}", version);
    println!("cargo:rustc-env=PARQUET_CREATED_BY={}", created_by);
}