RFC FS 1126 Allow lower-case DU cases when RequireQualifiedAccess is specified #13432
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edgarfgp
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We still need these parts of CheckUnionCaseName because the compiled form must generate a type and enum case for these - better to pass in hasRequireQualifiedAccessAttribute to that routine?
if name = "Tags" then
errorR(Error(FSComp.SR.tcUnionCaseNameConflictsWithGeneratedType(name, "Tags"), id.idRange))
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Updated based on your suggestion.
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Please add a test case with a dodgy lower case name that is not a valid type name for .NET, e.g.
type DU =
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Added more testing. Thanks for pointing this out .
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@vzarytovskii I was wondering if should put this behind a preview flag ?
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Yeah, let's put it under preview version.
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@dsyme this is ready for another review . Added more testing and put the feature under the preview. |
| // #Conformance #TypesAndModules #Unions | ||
| // This testcase verifies that lower-case discriminated union are not allowed | ||
| //<Expects status="error"></Expects> |
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Just a note: those are actually not required for newly written tests, they are there for the tests which were auto-migrated from the old framework.
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Cool I will remove them :)
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@edgarfgp thank you a lot for this addition! Sorry it took long to merge it. |
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@vzarytovskii No worries . I already looking for the next contribution to help the compiler 😀 |
* ValRepInfoForDisplay added for improved quick info for functions defined in expressions * Update * Update QuickInfoTests.fs * Update QuickInfoTests.fs * Update * add identifier analysis script (#13486) * add identifier analysis script * add identifier analysis script * Update fantomas alpha 11 (#13481) * Allow lower-case DU cases when RequireQualifiedAccess is specified (#13432) * Allow lower-case DU cases when RequireQualifiedAccess is specified * Fix PR suggestions and Add more testing * Protect feature under preview version * Add a NotUpperCaseConstructorWithoutRQA warning to be raised in lang version preview * Fix formatting * regularize some names (#13489) * normalize some names * format code * fix build * Subtraction of two chars, new conversions, and fixes for dynamic operator invocations and QuotationToExpression (#11681) Co-authored-by: Vlad Zarytovskii <[email protected]> Co-authored-by: Don Syme <[email protected]> * Mark backing fields as CompilerGenerated (fixes serialization of fields in FSI multiemit) (#13494) Co-authored-by: Don Syme <[email protected]> Co-authored-by: Peter Semkin <[email protected]> Co-authored-by: Don Syme <[email protected]> Co-authored-by: Florian Verdonck <[email protected]> Co-authored-by: Petr Semkin <[email protected]> Co-authored-by: Edgar Gonzalez <[email protected]> Co-authored-by: Hadrian Tang <[email protected]> Co-authored-by: Vlad Zarytovskii <[email protected]> Co-authored-by: Kevin Ransom (msft) <[email protected]>
edgarfgp
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Implementation for Allow lower-case DU cases when RequireQualifiedAccess is specified fsharp/fslang-suggestions#131
RFC: https://github.com/fsharp/fslang-design/blob/main/FSharp-7.0/FS-1126-allow-lower-case-du-cases%20when-require-qualified-access-is%20specified.md