[Solved] Which of the following is a valid requirement for a Kotlin function to be declared as infix? — Ans: It must be a member function or an extension function with a single parameter | Kotlin

Kotlin - Functions

Which of the following is a valid requirement for a Kotlin function to be declared as infix?

AIt must be a private function inside a class

BIt must return Unit and have no parameters

CIt must be a member function or an extension function with a single parameter

DIt must be a top-level function with multiple parameters

Step-by-Step Solution

Solution:

Step 1: Recall infix function requirements
An infix function must be a member or extension function with exactly one parameter.
Step 2: Match options with this rule
Only It must be a member function or an extension function with a single parameter matches this rule; others violate parameter count or visibility rules.
Final Answer:
It must be a member function or an extension function with a single parameter -> Option C
Quick Check:
Infix function requirements = Single parameter member/extension function [OK]

Quick Trick: Infix functions need exactly one parameter and be member or extension [OK]

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Which of the following is a valid requirement for a Kotlin function to be declared as infix?