pub fn fold_avro_schema_option<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: AvroSchemaOption<T>,
) -> AvroSchemaOption<T2>
pub fn fold_avro_schema_option<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: AvroSchemaOption<T>,
) -> AvroSchemaOption<T2>