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Can't use externally defined lifetimes in macros due to hygiene #23956

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HeroesGrave opened this issue Apr 1, 2015 · 1 comment
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Can't use externally defined lifetimes in macros due to hygiene #23956

HeroesGrave opened this issue Apr 1, 2015 · 1 comment
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A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

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@HeroesGrave
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I've tried using ty, expr, tt and ident fragments but nothing works.

Macros should have a lifetime fragment type ($foo:lifetime). It's currently a rather annoying hole in macro_rules! usability.
@steveklabnik steveklabnik added the A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) label Apr 3, 2015
@HeroesGrave HeroesGrave mentioned this issue May 13, 2015
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@Diggsey Diggsey mentioned this issue May 16, 2015
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@florianjacob florianjacob mentioned this issue Feb 7, 2016
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@steveklabnik
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superseded by #34303, I believe. Closing!

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Add macro lifetime specifier Diggsey/rust
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@steveklabnik @HeroesGrave