diff options
| author |  Eric Fellheimer <felly@google.com> | 2015-11-13 22:11:10 +0000 |
|---|---|---|
| committer |  Damien Martin-Guillerez <dmarting@google.com> | 2015-11-16 09:02:20 +0000 |
| commit | b503be7b2e2e6a1601bff3790e6e292ff9076359 (patch) | |
| tree | 49363adb352d670532f75d3c24cf9c2564453663 /src/main | |
| parent | 110b065bf7b53db9d5821323a4bd9dc9b127b244 (diff) | |
Optimize the hash code function of Pair to minimize varargs expansion.
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MOS_MIGRATED_REVID=107812527
Diffstat (limited to 'src/main')
| -rw-r--r-- | src/main/java/com/google/devtools/build/lib/util/Pair.java | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/util/Pair.java b/src/main/java/com/google/devtools/build/lib/util/Pair.java index 08f1e798f0..91d04c62f1 100644 --- a/src/main/java/com/google/devtools/build/lib/util/Pair.java +++ b/src/main/java/com/google/devtools/build/lib/util/Pair.java @@ -81,7 +81,9 @@ public final class Pair<A, B> { @Override public int hashCode() { - return Objects.hash(first, second); + int hash1 = first == null ? 0 : first.hashCode(); + int hash2 = second == null ? 0 : second.hashCode(); + return 31 * hash1 + hash2; } /** |