Rename method

tcr-roman-numerals/src/main/java/fr/ippon/kata/numeral/Numerals.java

@@ -10,14 +10,14 @@ public class Numerals {
   private static final NavigableMap<Integer, String> CONVERSIONS = buildConversions();
 
   public static String toRoman(int arabic) {
-    return highestKnownConversion(arabic).map(romanRepresentation(arabic)).orElse("");
+    return highestKnownConversion(arabic).map(toRomanRepresentation(arabic)).orElse("");
   }
 
   private static Optional<Entry<Integer, String>> highestKnownConversion(int arabic) {
     return Optional.ofNullable(CONVERSIONS.floorEntry(arabic));
   }
 
-  private static Function<Entry<Integer, String>, String> romanRepresentation(int arabic) {
+  private static Function<Entry<Integer, String>, String> toRomanRepresentation(int arabic) {
     return conversion -> conversion.getValue() + toRoman(arabic - conversion.getKey());
   }