Computer scienceProgramming languagesKotlinControl flowLambda expressions

Lambda with receiver

Match elements and their functions

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Match the elements of the following code snippet (which uses StringBuilder to perform multiple string manipulation operations) to their functions:

fun builderString(
    builder: StringBuilder.(String) -> Unit
): String {
    val stringBuilder = StringBuilder()
    stringBuilder.builder("")
    return stringBuilder.toString()
}

Match the items from left and right columns

builder

StringBuilder.

String

(String) -> Unit

Lambda function with a receiver

Ouput Parameter

Extension function

Receiver

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