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RakuAST: Add RakuAST::Type::Enum #5207

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RakuAST: Add RakuAST::Type::Enum #5207

wants to merge 1 commit into from

Commits on Feb 26, 2023

  1. RakuAST: Add support for 'enum' 

    This adds RakuAST::Type::Enum. Currently there are a few deviations from
base:

  - Base (sort of) allows re-declaration of an installed symbol:
        `class E::C {}; enum E<C>`
    The branch behavior is to die with a redeclaration error.
    Arguably, the branch behavior is preferable.
  - Base allows redeclaration of lexical symbols in the current
    lexpad:
        `enum E1<a b c>; enum E2<b c d>;`
    This raises a 'Potential difficulties' message and binds an
    `X::PoisonedAlias` failure to `b` and `c`, but allows referencing
    via `E1::b` and `E2::c`.
  - The behavior of
        `enum E «:A(5), B C»`
    is not working as expected because the underlying «» is still NYI.
    @ab5tract
    ab5tract committed Feb 26, 2023
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