Update concordance lists for new measurements implementation

src/MDConcWeights.php

@@ -10,27 +10,25 @@ declare(strict_types = 1);
  * Provides lists for categorizing misspelled sizes.
  */
 final class MDConcWeights implements MDImporterConcordanceListInterface {
-
-    private const WEIGHTS_LIST = [
-        "cm"        => "", // Default
-        "Gramm"     => "g",
-        "г"         => "g",
-    ];
-
     /**
      * Require a function for getting the concordance target.
      *
      * @param string $input Input string.
      *
-     * @return string
+     * @return MDWeightUnit|false
      */
-    public static function getConcordanceTarget(string $input):string {
+    public static function getConcordanceTarget(string $input):MDWeightUnit|false {
 
-        if (!isset(self::WEIGHTS_LIST[$input])) {
-            throw new MDImporterMissingConcordance("Unknown weight type: " . $input);
-        }
+        return match($input) {
 
-        return self::WEIGHTS_LIST[$input];
+            "cm"        => false,
+
+            "Gramm",
+            "г"         => MDWeightUnit::g,
+
+            default => throw new MDInvalidWeightUnit("Invalid weight unit " . $input),
+
+        };
 
     }
 }