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but-ing a Hash only works the last time ( (%(:42foo) but A) but B ) #1238

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AlexDaniel opened this issue Nov 6, 2017 · 1 comment
Open

but-ing a Hash only works the last time ( (%(:42foo) but A) but B ) #1238

AlexDaniel opened this issue Nov 6, 2017 · 1 comment
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regression Issue did not exist previously

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@AlexDaniel
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AlexDaniel commented Nov 6, 2017 •
edited

Code:

role Foo { has $.a };
role Bar { has $.b };
say ((%(:66x, :67y) but Foo(5)) but Bar(7)).a

Result (2015.12,2016.01.1,2016.02):

5

Result (2016.03…2017.10,HEAD(ab03b54)):

Any

Bisectable points at (2016-03-14) 6b2b34a

.b always returns 7 (which is right) no matter what version of rakudo you use.
@AlexDaniel AlexDaniel added the regression Issue did not exist previously label Nov 6, 2017
@AlexDaniel AlexDaniel mentioned this issue Nov 6, 2017
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jstuder-gh added a commit to jstuder-gh/rakudo that referenced this issue Nov 30, 2017
@jstuder-gh
Fix Hash clone not retaining all attributes
b83bf6a 
Addresses [Issue 1238](rakudo#1238).

This issue was occurring due to the an operation that takes place in the
Hash 'but' method. A cloning of the Hash obj occurs but not all the
attributes are being replicated in the clone.

Mirroring (almost) the logic of the Mu clone method so that all
attributes are replicated on the new clone obj, not just $!storage.
However, unlike in Mu, not cloning the $!storage Scalar container (the
.VAR on the attribute) to avoid causing a regression for the issue fixed
in commit 6b2b34a.
@jstuder-gh jstuder-gh mentioned this issue Nov 30, 2017
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@ab5tract
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Returns (Any) for base and RakuAST:

> set-base; ./rakudo-m issues/r1238.raku
(Any)

> set-rakuast; ./rakudo-m issues/r1238.raku
(Any)

> ./rakudo-m -v
Welcome to Rakudo™ v2024.04-92-g24057e69c.
Implementing the Raku® Programming Language v6.d.
Built on MoarVM version 2024.04-6-g84121f0de.

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@ab5tract @AlexDaniel