Bug 545506 - [X] JEP 300: Augment Use-Site Variance with Declaration-Site Defaults
Summary: [X] JEP 300: Augment Use-Site Variance with Declaration-Site Defaults
Status: NEW
Alias: None
Product: JDT
Classification: Eclipse Project
Component: Core (show other bugs)
Version: 4.11   Edit
Hardware: PC Windows 7
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: JDT-Core-Inbox CLA
QA Contact:
URL:
Whiteboard: stalebug
Keywords:
Depends on:
Blocks: 544047
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Reported: 2019-03-18 19:32 EDT by Manoj N Palat CLA
Modified: 2022-11-26 13:23 EST (History)
1 user (show)

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Description Manoj N Palat CLA 2019-03-18 19:32:57 EDT 
Enhance the Java Programming Language so that a generic class or interface declaration can indicate whether each type parameter is, by default, invariant, covariant, or contravariant, thus allowing more intuitive subtyping relationships between parameterizations of the class or interface. This supplements the existing mechanism for variance, wildcards, which are written at type use sites.

Ref: https://bugs.openjdk.java.net/browse/JDK-8043488
Comment 1 Eclipse Genie CLA 2022-11-26 13:23:55 EST 
This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet.

If you have further information on the current state of the bug, please add it. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant.

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The automated Eclipse Genie.