InputNullGuardFilter

A filter, which forwards evaluation to the given filter, if the input is not null. If the input is null, the filter will return inputNullResult.

TInput

The type the given filter accepts. This filter accepts its nullable form

TResult

The type filter returns

inputNullResult

The result when the input is null

filter

The filter to evaluate

Constructors

constructor(inputNullResult: TResult?, filter: IFilter<TInput, TResult>)

open override fun evaluate(input: TInput?): TResult?

Evaluates the filter with the given value.

open operator override fun iterator(): Iterator<IFilter<TInput, TResult>>

open override fun toString(): String

open fun dump(): String

Formats the current filter as a tree, and returns the formatted string.