all

inline fun ~~all~~(predicate: (B) -> Boolean): Boolean

Deprecated

This API is niche and will be removed in the future. If this method is crucial for you, please let us know on the Arrow Github. Thanks! https://github.com/arrow-kt/arrow/issues Prefer when or fold instead

Replace with

fold({ true }, predicate)

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

Example:

Right(12).all { it 10 } // Result: true
Right(7).all { it 10 }  // Result: false

val left: Either<Int, Int> = Left(12)
left.all { it 10 }      // Result: true