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arr! with no type loops infinitely in the compiler #30

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pthariensflame opened this issue Dec 15, 2016 · 1 comment
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arr! with no type loops infinitely in the compiler #30

pthariensflame opened this issue Dec 15, 2016 · 1 comment

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@pthariensflame
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I'm sure this wasn't intentional, but:

rustc 1.15.0-nightly (daf8c1dfc 2016-12-05)
error: recursion limit reached while expanding the macro `arr`
 --> <anon>:5:24
  |
5 |     ($($x:expr,)*) => (arr![$($x),*])
  |                        ^^^^^^^^^^^^^
...
9 |     arr![]
  |     ------ in this macro invocation
millardjn added a commit to millardjn/generic-array that referenced this issue Dec 20, 2016
@millardjn
Fix Issue fizyk20#30 (Empty arr![] compiler error)
f9c47ef 
Added example to arr![] doc
Return a helpful error when empty macro is invoked. Syntax error hack.
Added some test cases to make sure actual zero and unit length arrays weren't broken.
fizyk20 added a commit that referenced this issue Dec 22, 2016
@fizyk20
Merge pull request #31 from millardjn/master
0c56150 
Fix Issue #30 (Empty arr![] compiler error)
@fizyk20
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fizyk20 commented Dec 22, 2016

Fixed in #31.

@fizyk20 fizyk20 closed this as completed Dec 22, 2016
@novacrazy novacrazy mentioned this issue Mar 8, 2018
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@pthariensflame @fizyk20