apache-avro-derive 0.22.0

A library for deriving Avro schemata from Rust structs and enums
Documentation 
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// 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.

//! Set the `nightly` cfg value on nightly toolchains.
//!
//! We would prefer to just do `#![rustversion::attr(nightly, feature(proc_macro_diagnostic)]`
//! but that's currently not possible, see <https://github.com/dtolnay/rustversion/issues/8>.

#[rustversion::nightly]
fn main() {
    println!("cargo:rustc-cfg=nightly");
}

#[rustversion::not(nightly)]
fn main() {}