Data commit

Task/Substring/Elixir/substring.elixir

@@ -0,0 +1,12 @@
+s = "abcdefgh"
+String.slice(s, 2, 3)           #=> "cde"
+String.slice(s, 1..3)           #=> "bcd"
+String.slice(s, -3, 2)          #=> "fg"
+String.slice(s, 3..-1)          #=> "defgh"
+
+# UTF-8
+s = "αβγδεζηθ"
+String.slice(s, 2, 3)           #=> "γδε"
+String.slice(s, 1..3)           #=> "βγδ"
+String.slice(s, -3, 2)          #=> "ζη"
+String.slice(s, 3..-1)          #=> "δεζηθ"