Bug #131071 for perl6: [BUG] unpacking a slurpy in `my` creates `Mu`s despite working when used in a routine's sig

# Tue, 28 Mar 2017 07:38:32 -0700 Zoffix Znet <cpan@zoffix.com> - Ticket created [Reply] [Comment]

Subject:

[BUG] unpacking a slurpy in `my` creates `Mu`s despite working when used in a routine's sig

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The last two items printed, `$type` and `$speedup`, get set properly if used in a sub's signature: `sub` 14:34 m: sub ($sha, $, $, *@rest ($, $type, $speedup, $)) {dd [ @rest, $type, $speedup ];}(|'fa9aa47 [io grant] Make R::I::SET_LINE_ENDING_ON_HANDLE 4.1x Faster'.words) 14:34 camelia rakudo-moar 42f34f: OUTPUT: «[["Make", "R::I::SET_LINE_ENDING_ON_HANDLE", "4.1x", "Faster"], "R::I::SET_LINE_ENDING_ON_HANDLE", "4.1x"]␤» But when using the same signature in a `my`, they are left as `Mu`s: `my`: 14:34 Zoffix m: my ($sha, $, $, *@rest ($, $type, $speedup, $)) := \ |'fa9aa47 [io grant] Make R::I::SET_LINE_ENDING_ON_HANDLE 4.1x Faster'.words; dd [ @rest, $type, $speedup ]; 14:34 camelia rakudo-moar 42f34f: OUTPUT: «[["Make", "R::I::SET_LINE_ENDING_ON_HANDLE", "4.1x", "Faster"], Mu, Mu]␤»

# Tue, 28 Mar 2017 07:38:33 -0700 The RT System itself - Tag Bug added

# Tue, 12 Dec 2017 09:34:34 -0800 Zoffix Znet <cpan@zoffix.com> - Correspondence added [Reply] [Comment]

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On Tue, 28 Mar 2017 07:38:32 -0700, cpan@zoffix.com wrote: Show quoted text

> > The last two items printed, `$type` and `$speedup`, get set properly > if used in a sub's signature: > > `sub` > 14:34 m: sub ($sha, $, $, *@rest ($, $type, $speedup, > $)) {dd [ @rest, $type, $speedup ];}(|'fa9aa47 [io grant] Make > R::I::SET_LINE_ENDING_ON_HANDLE 4.1x Faster'.words) > 14:34 camelia rakudo-moar 42f34f: OUTPUT: «[["Make", > "R::I::SET_LINE_ENDING_ON_HANDLE", "4.1x", "Faster"], > "R::I::SET_LINE_ENDING_ON_HANDLE", "4.1x"]␤» > > > But when using the same signature in a `my`, they are left as `Mu`s: > `my`: > 14:34 Zoffix m: my ($sha, $, $, *@rest ($, $type, $speedup, > $)) := \ |'fa9aa47 [io grant] Make R::I::SET_LINE_ENDING_ON_HANDLE > 4.1x Faster'.words; dd [ @rest, $type, $speedup ]; > 14:34 camelia rakudo-moar 42f34f: OUTPUT: «[["Make", > "R::I::SET_LINE_ENDING_ON_HANDLE", "4.1x", "Faster"], Mu, Mu]␤»

Some skipfudges due to this bug were added as part of testing another feature: https://github.com/perl6/roast/commit/69d9d04601c8185b149d4fd7 Unfudge when fixed.