scala/scala3

NoSuchMethodError calling operator names from non-scala classes

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#4,534 opened on May 15, 2018

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help wanteditype:enhancementstat:needs spec

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Description

Here's a Kotlin class:

class C {
  fun `+`() = 10
}

When I use it in repl, the completion can suggest the + method:

However, problems occur when calling:

Contributor guide

Research direction
Investigate how the Scala 3 REPL resolves and displays method signatures for non Scala classes, focusing on operator name translation to JVM bytecode names (e.g., + to $plus). Look at ReplDriver.displayMembers and Rendering.renderVal to understand how method symbols are obtained and invoked.
Tech stack
kotlinjava
Domain
clideveloper experience
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
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
ScalaJVM
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65