Move price to sub package

src/main/java/price/Inverse.java → src/main/java/Inverse.java

@@ -1,7 +1,6 @@
-package price;
-
 import static java.math.RoundingMode.UNNECESSARY;
 
+import inverse.Price;
 import java.math.BigDecimal;
 
 class Inverse {

src/main/java/price/Price.java → src/main/java/inverse/Price.java

@@ -1,4 +1,4 @@
-package price;
+package inverse;
 
 import java.math.BigDecimal;
 import java.util.Objects;
@@ -17,7 +17,7 @@ public class Price {
   BigDecimal value;
   PriceType type;
 
-  Price withMappedValue(Function<BigDecimal, BigDecimal> mapper) {
+  public Price withMappedValue(Function<BigDecimal, BigDecimal> mapper) {
     return withValue(mapper.apply(value));
   }
 

src/main/java/price/PriceType.java → src/main/java/inverse/PriceType.java

@@ -1,4 +1,4 @@
-package price;
+package inverse;
 
 public enum PriceType {
   STANDARD, DISCOUNT

src/test/java/price/InverseTest.java → src/test/java/InverseTest.java

@@ -1,8 +1,7 @@
-package price;
-
 import static org.assertj.core.api.Assertions.assertThat;
 
 import com.pholser.junit.quickcheck.runner.JUnitQuickcheck;
+import inverse.Price;
 import java.math.BigDecimal;
 import org.junit.Before;
 import org.junit.Test;