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"macro expansion" #15

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nikomatsakis opened this issue Jan 18, 2018 · 6 comments · Fixed by #683
Closed

"macro expansion" #15

nikomatsakis opened this issue Jan 18, 2018 · 6 comments · Fixed by #683
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@nikomatsakis
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nikomatsakis commented Jan 18, 2018 •
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Talk about where macro expansion happens. There is lots of other stuff we should cover here eventually:

  • Hygiene
  • Custom derive and procedural macros and how those work

cc @jseyfried -- can you help on elaborating the list of things that belong here?
@nikomatsakis nikomatsakis mentioned this issue Jan 18, 2018
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@mark-i-m
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Started a simple chapter on macro expansion here: #26

I don't know much about hygiene, custom derive, or procedural macros, but I can write about normal macro_rules expansion...

@mark-i-m
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cc @federicomenaquintero

@mark-i-m
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mark-i-m commented Feb 5, 2018

Ping @federicomenaquintero :)

Are you still interested in writing something up about hygiene or proc macros?

@mark-i-m mark-i-m added the E-help-wanted Call for participation: extra help is wanted label Feb 12, 2018
@federicomenaquintero
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I am! Apologies for taking so long; I've been busy with librsvg.

Now that I'm porting gnome-class to syn 0.12, I'm getting a much more practical view of hygiene. I'll write something soon.

@mark-i-m mark-i-m removed the E-help-wanted Call for participation: extra help is wanted label Feb 26, 2018
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Thanks for the update!

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@federicomenaquintero ping

(sorry to bug you again)

@mark-i-m mark-i-m mentioned this issue May 8, 2018
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@mark-i-m mark-i-m added E-help-wanted Call for participation: extra help is wanted E-hard Difficulty: might require advanced knowledge labels Jun 4, 2018
@mark-i-m mark-i-m mentioned this issue Jul 9, 2018
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@mark-i-m mark-i-m mentioned this issue Aug 20, 2018
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@mark-i-m mark-i-m mentioned this issue Apr 25, 2020
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david0u0 pushed a commit to david0u0/rustc-guide that referenced this issue Aug 3, 2020
@OlingCat
Merge pull request rust-lang#15 from Rust-zh/background
738567c 
Sync with upstream.

Background translated.
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The macro chapter needs hygiene :P mark-i-m/rustc-guide
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@federicomenaquintero @nikomatsakis @mark-i-m