added conditional processing for C# language features based on languageVersion / framework #3454
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KathleenDollard
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I'll review later. Suggested a naming change.
The other comment does not require action at present.
...ojectTemplates.6.0/content/ClassLibrary-CSharp/.template.config/csharpFeatures.template.json
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| <RootNamespace Condition="'$(name)' != '$(name{-VALUE-FORMS-}safe_namespace)'">Company.ClassLibrary1</RootNamespace> | ||
| <LangVersion Condition="'$(langVersion)' != ''">$(ProjectLanguageVersion)</LangVersion> | ||
| <Nullable Condition="('$(Framework)' != 'netstandard2.0')">enable</Nullable> | ||
| <DisableImplicitNamespaceImports Condition="'$(csharpFeature_GlobalUsings_Supported)' != 'true'">true</DisableImplicitNamespaceImports> |
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This was the other thing I was going to comment on. If we need this, it's a bug in the feature - if we aren't where implicit usings are supported, they should not need to be disabled.
However, let's get Preview 7 out working correctly (correctly being you can run templates and they then compile), so if this is needed today, please leave it in.
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We need it when language version is < 10.0, otherwise it won't compile.
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I liked idea of "additionalConfigFiles" a lot, assuming it could be shared between Library and Console templates, since that is not the case, I would prefer if we don't use it to give us more time to rethink what to do with this un-documented feature...
...ed/Microsoft.DotNet.Common.ProjectTemplates.6.0/content/ConsoleApplication-CSharp/Program.cs
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| #endif | ||
| #if (!csharpFeature_TopLevelProgram) | ||
| namespace Company.ConsoleApplication1 |
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Are you planning on duplicating this content for the file-scoped namespaces feature?
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I haven't tested it yet, but I guess no. Top-level programs are supported since 9.0 and file scoped namespaces are supported since 10.0, so there should be no need as if top level program is not supported, file scoped namespaces won't be supported too.
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ah of course, this is Program.cs 😄 👍
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Problem
fixes #3449
Solution
Added conditional processing for classlib / console based on framework and language versions:
target-framework-overrideoption (option is hidden from user)latest,default,latestMajor,previewlanguage versions support all the features.Checks: