Data commit

Task/Run-length-encoding/11l/run-length-encoding.11l

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+F encode(input_string)
+   V count = 1
+   V prev = Char("\0")
+   [(Char, Int)] lst
+   L(character) input_string
+      I character != prev
+         I prev != Char("\0")
+            lst.append((prev, count))
+         count = 1
+         prev = character
+      E
+         count++
+   lst.append((input_string.last, count))
+   R lst
+
+F decode(lst)
+   V q = ‘’
+   L(character, count) lst
+      q ‘’= character * count
+   R q
+
+V value = encode(‘aaaaahhhhhhmmmmmmmuiiiiiiiaaaaaa’)
+print(‘Encoded value is ’value.map(v -> String(v[1])‘’v[0]))
+print(‘Decoded value is ’decode(value))