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rustc: Implement parsing and typechecking for "once fn" - #3906

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pcwalton wants to merge 1 commit into
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rustc: Implement parsing and typechecking for "once fn"#3906
pcwalton wants to merge 1 commit into
rust-lang:incomingfrom
pcwalton:once-fn

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re-r? @nikomatsakis

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r+

@pcwaltonpcwalton closed this Nov 5, 2012
RalfJung pushed a commit to RalfJung/rust that referenced this pull request Sep 29, 2024
add test for new abort_unwind function
Seems like a good thing to have an explicit test for.
Cc rust-lang#130338
U007D pushed a commit to U007D/rust-mos that referenced this pull request Aug 21, 2026
3906: Implement proc_macro rustc server r=matklad a=edwin0cheng
This PR implement the `ra_tt::TokenTree` based rustc server for lib_proc_macro. Note that span information is not implemented yet. Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com>
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