Kotlin map not null10/4/2023 ![]() ![]() ![]() You can use it in combination with the Elvis operator. How flatMap Works in Kotlin The flatMap is one of the default methods for implementing the single collection list where it can be converted from other multiple collections. By default Jackson does not ignore Null and Empty fields while writing JSON. Note that if the variable is a mutable property, you won't be able to smart cast it to its non-nullable type inside the if statement (because the value might have been modified by another thread) and you'd have to use the safe call operator with let instead. Describe the solution youd like If a kotlin data class has a null string. We can’t add, remove, or change entries after it’s created. Therefore when comparing to null, the structural equality a = null is translated to a referential equality a = null.Īccording to the docs, there is no point in optimizing your code, so you can use a = null and a != null interface Entry < out K, out V > Copy Note that Map instances are immutable.A structural equality a = b is translated to a?.equals(b) ?: (b = null) ![]()
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