Fix the wrong union of image hashes in multiple folders.

Kabuto_W · Kabuto_W · commit 765475326442 · 2021-10-09T15:57:20.000+08:00
diff --git a/SimilarImages/SimilarImages/ImageHash.cs b/SimilarImages/SimilarImages/ImageHash.cs
@@ -49,14 +49,8 @@ public static List<Tuple<string, string, double>> GetSimilarity(
                 var pairs = GetImageHashes(folderPath, hashEnum);
                 if (pairs != null)
                 {
-                    if (imageHashPairs == null)
-                    {
-                        imageHashPairs = pairs;
-                    }
-                    else
-                    {
-                        imageHashPairs.Union(pairs);
-                    }
+                    imageHashPairs = imageHashPairs == null ? pairs : 
+                        imageHashPairs.Union(pairs).ToArray();
                 }
             }
             

Original file line number	Diff line number	Diff line change
`@@ -49,14 +49,8 @@ public static List<Tuple<string, string, double>> GetSimilarity(`
`49`	`49`	`var pairs = GetImageHashes(folderPath, hashEnum);`
`50`	`50`	`if (pairs != null)`
`51`	`51`	`{`
`52`		`- if (imageHashPairs == null)`
`53`		`- {`
`54`		`- imageHashPairs = pairs;`
`55`		`- }`
`56`		`- else`
`57`		`- {`
`58`		`- imageHashPairs.Union(pairs);`
`59`		`- }`
	`52`	`+ imageHashPairs = imageHashPairs == null ? pairs :`
	`53`	`+ imageHashPairs.Union(pairs).ToArray();`
`60`	`54`	`}`
`61`	`55`	`}`
`62`	`56`