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// 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
//
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//! "core" DataFusion functions

mod nans;

// create  UDFs
make_udf_function!(nans::IsNanFunc, ISNAN, isnan);

// Export the functions out of this package, both as expr_fn as well as a list of functions
export_functions!(
    (isnan, num, "returns true if a given number is +NaN or -NaN otherwise returns false")
);