Polish up center

ahtung · Jan 24, 2018 · c7bffd4 · c7bffd4
1 parent 1d9d949
commit c7bffd4
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Showing 2 changed files with 7 additions and 5 deletions.
diff --git a/README.md b/README.md
@@ -39,7 +39,7 @@ end
 ## Roadmap
 
 - [x] Swapcase
-- [ ] Center
+- [x] Center
 - [ ] Next
 - [ ] Squeeze
 

diff --git a/lib/tanga.ex b/lib/tanga.ex
@@ -100,21 +100,23 @@ defmodule Tanga do
 
   ## Examples
 
-    iex> Tanga.center("fin", 9, "~")
-    "~~~fin~~~"
+      iex> Tanga.center("fin", 9, "~")
+      "~~~fin~~~"
 
   """
+  @spec center(t, t, t) :: t
+  @spec center(t, float, t) :: t
   @spec center(t, integer, t) :: t
   def center(string, char_count, chars \\ " ")
 
   def center(string, char_count, chars) when is_binary(char_count) do
     int_char_count = String.to_integer(char_count)
-    center(string, int_char_count, chars)
+    do_center(string, int_char_count, chars)
   end
 
   def center(string, char_count, chars) when is_float(char_count) do
     int_char_count = trunc(char_count)
-    center(string, int_char_count, chars)
+    do_center(string, int_char_count, chars)
   end
 
   def center(string, char_count, chars) when is_integer(char_count) do