private static IEnumerable <TOut> GetColumnCore <TOut, TShape>(DataView <TShape> data, Func <TShape, PipelineColumn> column)
{
Contracts.CheckValue(data, nameof(data));
var env = StaticPipeUtils.GetEnvironment(data);
Contracts.AssertValue(env);
env.CheckValue(column, nameof(column));
var indexer = StaticPipeUtils.GetIndexer(data);
string columnName = indexer.Get(column(indexer.Indices));
return(data.AsDynamic.GetColumn <TOut>(env, columnName));
}
