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-rw-r--r--src/main/kotlin/util/sequence.kt5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/main/kotlin/util/sequence.kt b/src/main/kotlin/util/sequence.kt
new file mode 100644
index 0000000..72b07dc
--- /dev/null
+++ b/src/main/kotlin/util/sequence.kt
@@ -0,0 +1,5 @@
+package util
+
+fun <T> Iterable<T>.expandWith(t: T): Sequence<T> =
+ this.asSequence() + generateSequence { t }.asSequence()
+