diff options
Diffstat (limited to 'src/main/java/org/zwobble/couscous/util')
| -rw-r--r-- | src/main/java/org/zwobble/couscous/util/ExtraLists.java | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/main/java/org/zwobble/couscous/util/ExtraLists.java b/src/main/java/org/zwobble/couscous/util/ExtraLists.java index e0c183a..dda2479 100644 --- a/src/main/java/org/zwobble/couscous/util/ExtraLists.java +++ b/src/main/java/org/zwobble/couscous/util/ExtraLists.java @@ -1,5 +1,7 @@ package org.zwobble.couscous.util; +import com.google.common.collect.ImmutableList; + import java.util.List; import java.util.function.Function; import java.util.function.Predicate; @@ -8,6 +10,18 @@ import java.util.stream.Stream; import java.util.stream.StreamSupport; public class ExtraLists { + public static <T> List<T> list() { + return ImmutableList.of(); + } + + public static <T> List<T> list(T value1) { + return ImmutableList.of(value1); + } + + public static <T> List<T> list(T value1, T value2) { + return ImmutableList.of(value1, value2); + } + public static <T> List<T> cons(T value, List<T> list) { return Stream.concat(Stream.of(value), list.stream()).collect(Collectors.toList()); } |
