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Unwrap argument types in macro #3625

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merged 7 commits into from
Sep 20, 2023
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@snOm3ad snOm3ad commented Sep 19, 2023

syn wraps argument types in a syn::TypeGroup for free functions/methods generated from macro_rules! this means that references end up generating wrong code during proc macro expansion.

This PR unwraps argument types in syn::TypeGroup and matches against the inner element for such cases.

Fixes #3078

`syn` wraps argument types in a `syn::TypeGroup` for free
functions/methods generated from `macro_rules!` this means that
references end up generating wrong code during proc macro expansion.

This PR unwraps argument types in `syn::TypeGroup` and matches against
the inner element for such cases.

Fixes rustwasm#3078

Signed-off-by: Oliver T <[email protected]>
Signed-off-by: Oliver T <[email protected]>
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Could you add a test for this?

Signed-off-by: Oliver T <[email protected]>
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Thanks!

Signed-off-by: Oliver T <[email protected]>
@daxpedda daxpedda merged commit 4bafdbe into rustwasm:main Sep 20, 2023
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Macro expansion code, export function parameter is &T
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