Add exception for EXTENSION_FUNCTION_WITH_CLASS: external interfaces cannot have non-abstract functions inside them

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571 stars (571 stars)

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Description

external interface Foo {
    var bar: String
}

fun Foo.baz() {
    prinltn("Lorem ipsum")
}

Contributor guide

Research direction

Locate the rule 'EXTENSION FUNCTION WITH CLASS' in the diktat source code and modify it to allow extension functions for external interfaces.

Tech stack

kotlin

Domain

tooling

Issue type

Feature

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

2

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

1-3 hours

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

Kotlin

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

85