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author | vlad <vlad@driver.xyz> | 2017-06-13 16:12:20 -0700 |
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committer | vlad <vlad@driver.xyz> | 2017-06-13 16:12:20 -0700 |
commit | cd1b635b2ae90d9ac2d8b1779183a1fbd8c5fd5c (patch) | |
tree | 062e8dad1a1513e26b0fd08b1742d6ff2ee874f7 /src/main/scala/xyz/driver/pdsuicommon/utils/MapOps.scala | |
parent | 0000a65ab4479a2a40e2d6468036438e9705b4aa (diff) | |
download | rest-query-cd1b635b2ae90d9ac2d8b1779183a1fbd8c5fd5c.tar.gz rest-query-cd1b635b2ae90d9ac2d8b1779183a1fbd8c5fd5c.tar.bz2 rest-query-cd1b635b2ae90d9ac2d8b1779183a1fbd8c5fd5c.zip |
Adding domain entitiesv0.1.0
Diffstat (limited to 'src/main/scala/xyz/driver/pdsuicommon/utils/MapOps.scala')
-rw-r--r-- | src/main/scala/xyz/driver/pdsuicommon/utils/MapOps.scala | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/main/scala/xyz/driver/pdsuicommon/utils/MapOps.scala b/src/main/scala/xyz/driver/pdsuicommon/utils/MapOps.scala new file mode 100644 index 0000000..79f73a4 --- /dev/null +++ b/src/main/scala/xyz/driver/pdsuicommon/utils/MapOps.scala @@ -0,0 +1,11 @@ +package xyz.driver.pdsuicommon.utils + +final class MapOps[K, V](val self: Map[K, V]) extends AnyVal { + + def swap: Map[V, Set[K]] = { + self + .toList + .groupBy { case (_, v) => v } + .mapValues(_.map { case (k, _) => k }.toSet) + } +} |