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fix: Panic while rendering function type hint with impl trait arg #17832

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Merged
merged 1 commit into from
Aug 8, 2024

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ShoyuVanilla
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Fixes #17811

@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Aug 8, 2024
let (fn_params, other) =
parameters.split_at(self_param as usize + type_ + const_ + lifetime);
let (_impl, parent_params) = other.split_at(impl_);
let (fn_params, parent_params) = parameters.split_at(without_impl + impl_);
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as generic_args is self + type params + const params + lifetimes + hidden generic with impl trait args, we should include impl to generate generic_args_sans_defaults

debug_assert_eq!(parent_params.len(), parent_len);

let parent_params =
generic_args_sans_defaults(f, Some(generic_def_id), parent_params);
let fn_params =
generic_args_sans_defaults(f, Some(generic_def_id), fn_params);
&generic_args_sans_defaults(f, Some(generic_def_id), fn_params)
[0..without_impl];
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And we exclude impl trait things here

@ShoyuVanilla ShoyuVanilla changed the title fix: Panic while rendering function with impl trait arg fix: Panic while rendering function type hint with impl trait arg Aug 8, 2024
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Veykril commented Aug 8, 2024

Thanks!
@bors r+

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bors commented Aug 8, 2024

📌 Commit aa62c9d has been approved by Veykril

It is now in the queue for this repository.

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bors commented Aug 8, 2024

⌛ Testing commit aa62c9d with merge dab022f...

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bors commented Aug 8, 2024

☀️ Test successful - checks-actions
Approved by: Veykril
Pushing dab022f to master...

@bors bors merged commit dab022f into rust-lang:master Aug 8, 2024
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@ShoyuVanilla ShoyuVanilla deleted the issue-17811 branch August 8, 2024 14:07
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Building hover information for fn pointers from generic with impl args panics.
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