Ну или так:
``` val result = roots.asSequence()...
# russianb
beholder
11/22/2017, 9:37 PMНу или так:
Copy code
val result = roots.asSequence()
.map { root -> File(root, fileName) }
.map { file -> if (file.exists()) file else null }
.filterNotNull()
.firstOrNull()