Initial extraction of Driver non-specific utilities

1 files changed, 22 insertions, 0 deletions

diff --git a/src/main/scala/xyz/driver/common/utils/Implicits.scala b/src/main/scala/xyz/driver/common/utils/Implicits.scala
new file mode 100644
index 0000000..bdccaac
--- /dev/null
+++ b/src/main/scala/xyz/driver/common/utils/Implicits.scala
@@ -0,0 +1,22 @@
+package xyz.driver.common.utils
+
+import scala.collection.generic.CanBuildFrom
+
+object Implicits {
+
+  final class ConditionalAppend[U, T[U] <: TraversableOnce[U]](val c: T[U]) extends AnyVal {
+    def condAppend(cond: => Boolean, value: U)(implicit cbf: CanBuildFrom[T[U], U, T[U]]): T[U] = {
+      val col = cbf()
+      if (cond) {
+        ((col ++= c) += value).result
+      } else {
+        c.asInstanceOf[T[U]]
+      }
+    }
+  }
+
+  implicit def traversableConditionalAppend[U, T[U] <: TraversableOnce[U]](c: T[U]): ConditionalAppend[U, T] =
+    new ConditionalAppend[U, T](c)
+
+  implicit def toMapOps[K, V](x: Map[K, V]): MapOps[K, V] = new MapOps(x)
+}