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Cannot change native role attribute from consuming class #4565

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p6rt opened this issue Sep 20, 2015 · 3 comments
Open

Cannot change native role attribute from consuming class #4565

p6rt opened this issue Sep 20, 2015 · 3 comments

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@p6rt
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@p6rt p6rt commented Sep 20, 2015

Migrated from rt.perl.org#126120 (status was 'open')

Searchable as RT126120$

@p6rt
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@p6rt p6rt commented Sep 20, 2015

From @lizmat

[19​:22​:03] <lizmat> m​: role R { has int $!a }; class A does R { method a() { $!a = 42 } }; say A.new.a # sigh
[19​:22​:03] <+camelia> rakudo-moar 97e47a​: OUTPUT«Cannot assign to an immutable value␤ in method a at /tmp/xjfoxVcXDh​:1␤ in block <unit> at /tmp/xjfoxVcXDh​:1␤␤»
[19​:22​:25] <lizmat> m​: role R { has Int $!a }; class A does R { method a() { $!a = 42 } }; say A.new.a # works fine if it is not a native
[19​:22​:25] <+camelia> rakudo-moar 97e47a​: OUTPUT«42␤»

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@p6rt
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@p6rt p6rt commented Dec 3, 2017

From @AlexDaniel

Still reproducible (2017.11,HEAD(e5b660e))

On 2015-09-20 10​:34​:34, elizabeth wrote​:

[19​:22​:03] <lizmat> m​: role R { has int $!a }; class A does R {
method a() { $!a = 42 } }; say A.new.a # sigh
[19​:22​:03] <+camelia> rakudo-moar 97e47a​: OUTPUT«Cannot assign to an
immutable value␤ in method a at /tmp/xjfoxVcXDh​:1␤ in block <unit>
at /tmp/xjfoxVcXDh​:1␤␤»
[19​:22​:25] <lizmat> m​: role R { has Int $!a }; class A does R {
method a() { $!a = 42 } }; say A.new.a # works fine if it is not a
native
[19​:22​:25] <+camelia> rakudo-moar 97e47a​: OUTPUT«42␤»

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@p6rt
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@p6rt p6rt commented Dec 3, 2017

The RT System itself - Status changed from 'new' to 'open'

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