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Add ROSpan ToLower and ToUpper string-like APIs with CultureInfo#27193
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ahsonkhan
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stephentoub
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Feb 16, 2018
| return -1; | ||
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| string sourceString = source.ToString(); | ||
| string resultString = sourceString.ToLower(culture); |
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It's unfortunate we need to allocate here (potentially twice), but I don't have a better answer (unless we want to make the API netcoreapp-specific).
stephentoub
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Feb 16, 2018
| [Fact] | ||
| public static void Test_ToLower_Culture() | ||
| { | ||
| foreach (var testdata in ToLower_Culture_TestData()) |
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Is it possible to use a Theory?
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Probably. I borrowed this from the existing string tests and tweaked it a bit.
stephentoub
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Feb 16, 2018
| /// <param name="culture">An object that supplies culture-specific casing rules.</param> | ||
| /// <exception cref="System.ArgumentNullException"> | ||
| /// Thrown when <paramref name="culture"/> is null. | ||
| /// </exception> |
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Could you add remarks saying whether the source and destination can be overlapping (or the same span)
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@dotnet-bot test this please |
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ToLower(CultureInfo) was added in netstandard2.0. What can we do for netstandard1.1? |
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@ahsonkhan you can use CultureInfo.TextInfo.ToLower |
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Edit: Filed https://github.com/dotnet/corefx/issues/27363 |
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@dotnet-bot test Windows x64 Debug Build |
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@dotnet-bot test this please |
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@dotnet-bot test this please |
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@dotnet-bot test Linux x64 Release Build |
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Linux x64 Release Build |
picenka21
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Feb 18, 2022
…net/corefx#27193) * Add ROSpan ToLower and ToUpper string-like APIs with CultureInfo * Add comment about overlapping spans + test. * Respond to recent change AsReadOnlySpan -> AsSpan and use Theory * Add System.Globalization for netstandard1.1 * Use TextInfo.ToLower/ToUpper for netstandard1.1 * Fix XML comment Commit migrated from dotnet/corefx@865f086
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Part of https://github.com/dotnet/corefx/issues/21395#issuecomment-359906138
Depends on: dotnet/coreclr#16379 and dotnet/coreclr#16496
cc @jkotas, @stephentoub, @KrzysztofCwalina, @tarekgh, @JeremyKuhne, @joshfree