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Read-only and mutable abstract collections #53

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ilya-g opened this issue Oct 15, 2016 · 2 comments
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Read-only and mutable abstract collections #53

ilya-g opened this issue Oct 15, 2016 · 2 comments
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@ilya-g
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ilya-g commented Oct 15, 2016

Discussions about the Read-only and mutable abstract collections will be held here.
@ilya-g ilya-g added the stdlib label Oct 15, 2016
ilya-g added a commit that referenced this issue Oct 15, 2016
@ilya-g
KEEP #53: Abstract readonly and mutable collections proposal.
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@damianw
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damianw commented Oct 20, 2016

Since Kotlin has default interface implementations, would it be better (or possible) to implement any of these as interfaces instead of abstract classes?

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ilya-g commented Oct 22, 2016

@damianw Interfaces cannot have state, cannot implement members of Any (namely hashCode, equals and toString). Also when two unrelated interfaces declare the same member it burdens an implementor of them both to have an override to select which one to use.

Making abstract mutable collections become interfaces would render impossible to reuse JDK implementations.

ilya-g added a commit that referenced this issue Dec 4, 2016
@ilya-g
Update status of KEEPs #53, #23, #13, #47, #19
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@ilya-g ilya-g closed this as completed Mar 15, 2017
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