NightOwl888 commented on code in PR #1018:
URL: https://github.com/apache/lucenenet/pull/1018#discussion_r1844286471
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src/Lucene.Net.Tests/Analysis/TokenAttributes/TestCharTermAttributeImpl.cs:
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@@ -230,9 +230,7 @@ public virtual void TestAppendableInterface()
t.Append((ICharSequence)t2, 1, 5 - 1); // LUCENENET: Corrected
3rd parameter
Review Comment:
> Or that we should add ISpanAppendable to the types in Lucene.NET that
implement IAppendable?
Yes. Ideally, we would have an optimized implementation for all of them and
this is required prior to implementing `ReadOnlySpan<char>` as a character
sequence throughout the rest of the project. Lucene.NET only has 3
implementations of `IAppendable`:
- `CharBlockArray`
- `CharTermAttribute` (note that the `ICharTermAttribute` should inherit
`ISpanAppendable`)
- `OpenStringBuilder` (`ISpanAppendable` already implemented, will be
replaced with `J2N.Text.StringBuilder`)
Here is another example of how `ISpanAppendable` is implemented:
-
https://github.com/NightOwl888/ICU4N/blob/7ac8a713722197f4a4364772d9d1cc025f1a879b/src/ICU4N/Support/Text/OpenStringBuilder.Appendable.cs#L111
-
https://github.com/NightOwl888/ICU4N/blob/7ac8a713722197f4a4364772d9d1cc025f1a879b/src/ICU4N/Support/Text/OpenStringBuilder.Appendable.cs#L14-L25
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