mix format strings-exercises

strings/stringsandbinaries1.exs

@@ -5,27 +5,28 @@ defmodule StringsAndBinaries do
 
   def custom_ascii_printable?(char_list) do
     # every character in char list must between 32 and 126
-    Enum.all?(char_list, &( 32 <= &1 and &1 <= 126))
+    Enum.all?(char_list, &(32 <= &1 and &1 <= 126))
   end
-  
+
   def anagram?(word1, word2) do
-	  # An anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once.
-	  Enum.sort(String.to_charlist(word1)) == Enum.sort(String.to_charlist(word2))
+    # An anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once.
+    Enum.sort(String.to_charlist(word1)) == Enum.sort(String.to_charlist(word2))
   end
-  
+
   def calculate(expression) do
-	  # this might be a bit dirty, but it solves the issue.
-	  [a, operator, b] = ~w[ #{expression} ]
-	  a = String.to_integer(a)
-	  b = String.to_integer(b)
-	  case operator do
-		  "+" -> add(a, b)
-		  "-" -> substract(a, b)
-		  "*" -> multiply(a, b)
-		  "/" -> divide(a, b)
-	  end
+    # this might be a bit dirty, but it solves the issue.
+    [a, operator, b] = ~w[ #{expression} ]
+    a = String.to_integer(a)
+    b = String.to_integer(b)
+
+    case operator do
+      "+" -> add(a, b)
+      "-" -> substract(a, b)
+      "*" -> multiply(a, b)
+      "/" -> divide(a, b)
+    end
   end
-  
+
   defp add(a, b), do: a + b
   defp substract(a, b), do: a - b
   defp multiply(a, b), do: a * b