arrow-core-data / arrow.core / kotlin.Function1
| andThen | infix fun <A, B, C> ((A) -> B).andThen(g: (B) -> C): (A) -> C | 
    
| compose | infix fun <A, B, C> ((B) -> C).compose(f: (A) -> B): (A) -> C | 
    
| mapNullable | fun <T : Any> Predicate<T>.mapNullable(): (T?) -> Boolean | 
    
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