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maybe

fun <A>Boolean.maybe(f: () -> A): A?

returns the result of $f in case of the receiver is true otherwsie null.

Example usage:

true.maybe{ 1 } // 1

false.maybe{ 1 } // null

Parameters

f - function to apply if the receiver is true.

Receiver value which $f will be applied on.

Return the result of f if the receiver is true otherwise null.