Initial POC commit for adding ReadOnlyMemory overloads to StringSet o… #2221
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| /// <remarks> | ||
| /// <seealso href="https://redis.io/commands/mset"/>, | ||
| /// <seealso href="https://redis.io/commands/msetnx"/> | ||
| /// </remarks> |
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possibly worth a warning about FireAndForget being dangerous here if the ReadOnlyMemory is going to be recycled/reused?
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Definitely seems wise, thank you. I'll add warnings for all of the new methods taking ReadOnlyMemory. If the approach looks good overall, I'll continue expanding the surface area.
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| for (int i = 0; i < outer.Length; ++i) | ||
| { | ||
| inner[i] = ToInner(outer.Span[i]); |
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Accessing .Span is relatively expensive; this should be done outside the loop and resused.
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The ++i is very unusual for C#, note
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Makes sense, thanks! I'll make the changes to cache all call sites for .Span.
The ++i was copied from line 801 of the diff. I assumed that was intentional and copied it here. Is that an incorrect usage?
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Not wrong, just atypical. Consistency/copy-paste is a valid reason here!
…On Sat, 27 Aug 2022, 00:09 Stabzs, ***@***.***> wrote:
***@***.**** commented on this pull request.
------------------------------
In src/StackExchange.Redis/KeyspaceIsolation/WrapperBase.cs
<#2221 (comment)>
:
> @@ -804,6 +807,25 @@ internal WrapperBase(TInner inner, byte[] keyPrefix)
}
}
+ protected ReadOnlyMemory<KeyValuePair<RedisKey, RedisValue>> ToInner(ReadOnlyMemory<KeyValuePair<RedisKey, RedisValue>> outer)
+ {
+ if (outer.Length == 0)
+ {
+ return outer;
+ }
+ else
+ {
+ KeyValuePair<RedisKey, RedisValue>[] inner = new KeyValuePair<RedisKey, RedisValue>[outer.Length];
+
+ for (int i = 0; i < outer.Length; ++i)
+ {
+ inner[i] = ToInner(outer.Span[i]);
I'll make the changes to cache all call sites for .Span.
The ++i was copied from line 801 of the diff. I assumed that was
intentional and copied it here. Is that an incorrect usage?
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…perations.