diff options
| author | Michael Williamson <mike@zwobble.org> | 2016-02-24 08:16:16 +0000 |
|---|---|---|
| committer | Michael Williamson <mike@zwobble.org> | 2016-02-24 08:16:16 +0000 |
| commit | 3e2786a004eddf968a5fa7d5a92dff5b1b5f7734 (patch) | |
| tree | 7fa1bcc1e484cd0ef782f64baf504ee83333d397 /src/main/java/org/zwobble/mammoth/util/MammothOptionals.java | |
| parent | 0dc3a12affc2e46c1a0df2899cf51a1ae3fdbd61 (diff) | |
Create internal package
Diffstat (limited to 'src/main/java/org/zwobble/mammoth/util/MammothOptionals.java')
| -rw-r--r-- | src/main/java/org/zwobble/mammoth/util/MammothOptionals.java | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/src/main/java/org/zwobble/mammoth/util/MammothOptionals.java b/src/main/java/org/zwobble/mammoth/util/MammothOptionals.java deleted file mode 100644 index 6890f16..0000000 --- a/src/main/java/org/zwobble/mammoth/util/MammothOptionals.java +++ /dev/null @@ -1,30 +0,0 @@ -package org.zwobble.mammoth.util; - -import java.util.Optional; -import java.util.function.BiFunction; - -public class MammothOptionals { - public static <T1, T2, R> Optional<R> flatMap( - Optional<T1> first, - Optional<T2> second, - BiFunction<T1, T2, Optional<R>> function) - { - if (first.isPresent() && second.isPresent()) { - return function.apply(first.get(), second.get()); - } else { - return Optional.empty(); - } - } - - public static <T1, T2, R> Optional<R> map( - Optional<T1> first, - Optional<T2> second, - BiFunction<T1, T2, R> function) - { - if (first.isPresent() && second.isPresent()) { - return Optional.of(function.apply(first.get(), second.get())); - } else { - return Optional.empty(); - } - } -} |
