Feature: Creating Privacy Basics

src/Export/CsvColumn.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Modules\Core\Export;
+
+/**
+ * One column in a CsvWriter schema: a header label plus a closure that pulls this
+ * column's value out of one record. The closure doesn't care what shape a record
+ * is — an array, an Eloquent model, a DTO — so the same CsvWriter serves any
+ * domain (GDPR export, an admin catalog export, an accounting export) by simply
+ * being handed a different column schema and a different row source.
+ */
+final class CsvColumn
+{
+    /**
+     * @param  \Closure(mixed): (string|int|float|null)  $value
+     */
+    public function __construct(
+        public readonly string $header,
+        public readonly \Closure $value,
+    ) {}
+}