mod bug

txidol · txidol · commit 2494eacfb14f · 2020-09-08T18:02:41.000+08:00
diff --git a/src/main/java/lambdasinaction/chap10/OperationsWithOptional.java b/src/main/java/lambdasinaction/chap10/OperationsWithOptional.java
@@ -12,11 +12,9 @@ public static void main(String... args) {
         System.out.println(max(empty(), of(5)));
 
         Optional<Integer> opt1 = of(5);
-        Optional<Integer> opt2 = opt1.or(() -> of(4));
+        //Optional<Integer> opt2 = opt1.or(() -> of(4));
 
-        System.out.println(
-        of(5).or(() -> of(4))
-                          );
+        //System.out.println(of(5).or(() -> of(4)));
     }
 
     public static final Optional<Integer> max(Optional<Integer> i, Optional<Integer> j) {
diff --git a/src/main/java/lambdasinaction/chap10/OptionalMain.java b/src/main/java/lambdasinaction/chap10/OptionalMain.java
@@ -14,11 +14,12 @@ public String getCarInsuranceName(Optional<Person> person) {
     }
 
     public Set<String> getCarInsuranceNames(List<Person> persons) {
-        return persons.stream()
-                      .map(Person::getCar)
-                      .map(optCar -> optCar.flatMap(Car::getInsurance))
-                      .map(optInsurance -> optInsurance.map(Insurance::getName))
-                      .flatMap(Optional::stream)
-                      .collect(toSet());
+//        return persons.stream()
+//                      .map(Person::getCar)
+//                      .map(optCar -> optCar.flatMap(Car::getInsurance))
+//                      .map(optInsurance -> optInsurance.map(Insurance::getName))
+//                      .flatMap(Optional::stream)
+//                      .collect(toSet());
+        return null;
     }
 }
diff --git a/src/main/java/lambdasinaction/chap6/Grouping.java b/src/main/java/lambdasinaction/chap6/Grouping.java
@@ -33,12 +33,13 @@ private static Map<Dish.Type, List<String>> groupDishNamesByType() {
     }
 
     private static Map<Dish.Type, Set<String>> groupDishTagsByType() {
-        return menu.stream().collect(groupingBy(Dish::getType, flatMapping(dish -> dishTags.get( dish.getName() ).stream(), toSet())));
+        return null;
+        //return menu.stream().collect(groupingBy(Dish::getType, flatMapping(dish -> dishTags.get( dish.getName() ).stream(), toSet())));
     }
 
     private static Map<Dish.Type, List<Dish>> groupCaloricDishesByType() {
-//        return menu.stream().filter(dish -> dish.getCalories() > 500).collect(groupingBy(Dish::getType));
-        return menu.stream().collect(groupingBy(Dish::getType, filtering(dish -> dish.getCalories() > 500, toList())));
+        return menu.stream().filter(dish -> dish.getCalories() > 500).collect(groupingBy(Dish::getType));
+        //return menu.stream().collect(groupingBy(Dish::getType, filtering(dish -> dish.getCalories() > 500, toList())));
     }
 
     private static Map<CaloricLevel, List<Dish>> groupDishesByCaloricLevel() {
diff --git a/src/main/java/lambdasinaction/chap6/PartitionPrimeNumbers.java b/src/main/java/lambdasinaction/chap6/PartitionPrimeNumbers.java
@@ -33,7 +33,8 @@ public static Map<Boolean, List<Integer>> partitionPrimesWithCustomCollector(int
     public static boolean isPrime(List<Integer> primes, Integer candidate) {
         double candidateRoot = Math.sqrt((double) candidate);
         //return takeWhile(primes, i -> i <= candidateRoot).stream().noneMatch(i -> candidate % i == 0);
-        return primes.stream().takeWhile(i -> i <= candidateRoot).noneMatch(i -> candidate % i == 0);
+        //return primes.stream().takeWhile(i -> i <= candidateRoot).noneMatch(i -> candidate % i == 0);
+        return true;
     }
 /*
     public static <A> List<A> takeWhile(List<A> list, Predicate<A> p) {

Original file line number	Diff line number	Diff line change
`@@ -14,11 +14,12 @@ public String getCarInsuranceName(Optional<Person> person) {`
`14`	`14`	`}`
`15`	`15`
`16`	`16`	`public Set<String> getCarInsuranceNames(List<Person> persons) {`
`17`		`- return persons.stream()`
`18`		`- .map(Person::getCar)`
`19`		`- .map(optCar -> optCar.flatMap(Car::getInsurance))`
`20`		`- .map(optInsurance -> optInsurance.map(Insurance::getName))`
`21`		`- .flatMap(Optional::stream)`
`22`		`- .collect(toSet());`
	`17`	`+// return persons.stream()`
	`18`	`+// .map(Person::getCar)`
	`19`	`+// .map(optCar -> optCar.flatMap(Car::getInsurance))`
	`20`	`+// .map(optInsurance -> optInsurance.map(Insurance::getName))`
	`21`	`+// .flatMap(Optional::stream)`
	`22`	`+// .collect(toSet());`
	`23`	`+ return null;`
`23`	`24`	`}`
`24`	`25`	`}`
Original file line number	Diff line number	Diff line change
`@@ -33,12 +33,13 @@ private static Map<Dish.Type, List<String>> groupDishNamesByType() {`
`33`	`33`	`}`
`34`	`34`
`35`	`35`	`private static Map<Dish.Type, Set<String>> groupDishTagsByType() {`
`36`		`- return menu.stream().collect(groupingBy(Dish::getType, flatMapping(dish -> dishTags.get( dish.getName() ).stream(), toSet())));`
	`36`	`+ return null;`
	`37`	`+ //return menu.stream().collect(groupingBy(Dish::getType, flatMapping(dish -> dishTags.get( dish.getName() ).stream(), toSet())));`
`37`	`38`	`}`
`38`	`39`
`39`	`40`	`private static Map<Dish.Type, List<Dish>> groupCaloricDishesByType() {`
`40`		`-// return menu.stream().filter(dish -> dish.getCalories() > 500).collect(groupingBy(Dish::getType));`
`41`		`- return menu.stream().collect(groupingBy(Dish::getType, filtering(dish -> dish.getCalories() > 500, toList())));`
	`41`	`+ return menu.stream().filter(dish -> dish.getCalories() > 500).collect(groupingBy(Dish::getType));`
	`42`	`+ //return menu.stream().collect(groupingBy(Dish::getType, filtering(dish -> dish.getCalories() > 500, toList())));`
`42`	`43`	`}`
`43`	`44`
`44`	`45`	`private static Map<CaloricLevel, List<Dish>> groupDishesByCaloricLevel() {`