/askajksjaksjasas.kt
Created Mar 18, 2019
| val authors = listOf("Dmitry", "Svetlana") | |
| val readers = mutableListOf<String>(/* ... */) | |
| fun <T> List<T>.filter(predicate: (T) -> Boolean): List<T> | |
| >>> readers.filter { it !in authors } |
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