Add set methods for lists to README

project-eutopia · project-eutopia · commit f3d2ebf8232e · 2021-11-01T23:16:43.000+09:00
diff --git a/README.md b/README.md
@@ -280,6 +280,14 @@ calculator.evaluate("range(5,10)")
 #=> [5,6,7,8,9]
 calculator.evaluate("range(0,10,2)")
 #=> [0,2,4,6,8]
+calculator.evaluate("[1, 2, 2, 3].uniq")
+#=> [1,2,3]
+calculator.evaluate("[1, 2, 3].difference([2, 3, 4])")
+#=> [1]
+calculator.evaluate("[1, 2, 3].intersection([2, 3, 4])")
+#=> [2, 3]
+calculator.evaluate("[1, 2, 3].union([2, 3, 4])")
+#=> [1, 2, 3, 4]
 ```
 
 ##### Hashes
diff --git a/spec/readme_spec.rb b/spec/readme_spec.rb
@@ -13,7 +13,7 @@
       digest = Digest::SHA256.hexdigest(content)
 
       # cat README.md | sha256sum
-      expected_digest = "160413c61798b027b2a0766089dbfff5d8d778ddae986f5c249f2ae6309ebaeb"
+      expected_digest = "fe7bd43f92ca0bc4f4a0eafd25097c15d81addff17275ab785bd56549c8ff0c3"
       if digest != expected_digest
         raise "Invalid README file detected with SHA256 digest of #{digest}. Use command `cat README.md | sha256sum` to get correct digest if your changes to the README are safe. Aborting README test."
       end
