Search results

extension method hides overridden method via Conversion + a conflicting message

area:extension-methods

area:reportingError reporting including formatting, implicit suggestions, etcError reporting including formatting, implicit suggestions, etc

better-errorsIssues concerned with improving confusing/unhelpful diagnostic messagesIssues concerned with improving confusing/unhelpful diagnostic messages

itype:enhancement

Status: Closed (completed).

#22267 In scala/scala3;

· by sjbiaga was closed on Sep 25, 2025

companion extension method not found for opaque type

area:extension-methods

area:opaque-types

itype:bug

Status: Closed (completed).

#13470 In scala/scala3;

· by soronpo was closed on Oct 1, 2021

Cyclic reference of extension method when exported and used at toplevel

area:export

area:extension-methods

itype:bug

Status: Closed (completed).

#13669 In scala/scala3;

· by soronpo was closed on Oct 8, 2021

· 

3.1.1

False positive warning 'Extension method will never be selected'

area:extension-methods

area:reportingError reporting including formatting, implicit suggestions, etcError reporting including formatting, implicit suggestions, etc

itype:bug

regressionThis worked in a previous version but doesn't anymoreThis worked in a previous version but doesn't anymore

Status: Closed (completed).

#21816 In scala/scala3;

· by SimY4 was closed on Nov 20, 2024

Extension methods ambiguity when type argument is added

area:extension-methods

itype:enhancement

Status: Closed (completed).

#14451 In scala/scala3;

· by soronpo was closed on Sep 15, 2022

· 

3.2.2

Extension methods and implicit class defs do not always interact well

area:extension-methods

itype:bug

stat:revisit

Status: Closed (completed).

#14450 In scala/scala3;

· by soronpo was closed on Feb 21, 2022

Problems inferring correct type for extension methods

area:extension-methods

area:typer

itype:bug

stat:needs minimizationNeeds a self contained minimizationNeeds a self contained minimization

Status: Closed (completed).

#11413 In scala/scala3;

· by justinhj was closed on Mar 12, 2021

Type inference regression with implicit extension methods.

area:extension-methods

itype:bug

Status: Closed (completed).

#9480 In scala/scala3;

· by LukaJCB was closed on Dec 27, 2020

Separate compilation breaks extension methods with the same name

area:extension-methods

itype:bug

Status: Closed (completed).

#16920 In scala/scala3;

· by Ichoran was closed on Apr 22, 2023

· 

3.3.1

Package-level extensions in different files can't have methods with the same names

area:extension-methods

Status: Not planned (skipped).

#21959 In scala/scala3;

· by gaelrenoux was closed on Nov 18, 2024

Name shadowing in extension methods

area:extension-methods

itype:bug

stat:needs spec

Status: Closed (completed).

#14777 In scala/scala3;

· by oscar-broman was closed on Mar 26, 2022

Trailing comma not allowed on extension declarations

area:extension-methods

area:parser

itype:bug

stat:wontfix

Status: Not planned (skipped).

#23657 In scala/scala3;

· by jdrphillips was closed on Aug 4, 2025