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syn 2.0 support #227

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DCNick3 opened this issue Mar 20, 2023 · 2 comments
Closed

syn 2.0 support #227

DCNick3 opened this issue Mar 20, 2023 · 2 comments

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@DCNick3
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DCNick3 commented Mar 20, 2023

Recently (2 days ago) syn has released a new major version.

It brought a slight redesign of how attributes are represented:

  • The syntax tree for Attribute has been redesigned. The new API better accommodates attributes which mix structured and unstructured content at different levels of nesting.
  • AttributeArgs has been removed. Use Punctuated<Meta, Token![,]>.
  • For parsing attribute contents, parse_meta() is superseded by a new parsing library called syn::meta, and the parse_nested_meta method on Attribute.

darling probably has to have some changes incorporated in order to support the new data structures
@DCNick3
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DCNick3 commented Mar 20, 2023 •
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Whoops, I haven't noticed the #226 PR that starts addressing this

@pinkforest pinkforest mentioned this issue Mar 22, 2023
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@jdrouet jdrouet mentioned this issue Mar 25, 2023
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@TedDriggs
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This has been published as part of v0.20.0

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@TedDriggs @DCNick3