arrow-core-data / arrow.core / Ior / exists

exists

inline fun exists(predicate: (B) -> Boolean): Boolean

Returns false if Left or returns the result of the application of the given predicate to the Right value.

Example:

Ior.Both(5, 12).exists { it > 10 } // Result: true
Ior.Right(12).exists { it > 10 }   // Result: true
Ior.Right(7).exists { it > 10 }    // Result: false

val left: Ior<Int, Int> = Ior.Left(12)
left.exists { it > 10 }      // Result: false