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state with % is Sethash ends up with a type object on second entry to block #6324

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p6rt opened this issue Jun 4, 2017 · 2 comments
Open

state with % is Sethash ends up with a type object on second entry to block #6324

p6rt opened this issue Jun 4, 2017 · 2 comments
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@p6rt
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@p6rt p6rt commented Jun 4, 2017

Migrated from rt.perl.org#131508 (status was 'new')

Searchable as RT131508$

@p6rt
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@p6rt p6rt commented Jun 4, 2017

From @zoffixznet

%goods here works as expected​:

<Zoffix__> m​: my %goods is SetHash; react whenever Supply.interval(.3) { $++ > 3 and done; dd %goods; %goods<foo>++; }
<camelia> rakudo-moar 3755c0​: OUTPUT​: «SetHash.new()␤SetHash.new("foo")␤SetHash.new("foo")␤SetHash.new("foo")␤»

On second iteration ends up being a type object​:

<Zoffix__> m​: react whenever Supply.interval(.3) { state %goods is SetHash; $++ > 3 and done; dd %goods; %goods<foo>++; }
<camelia> rakudo-moar 3755c0​: OUTPUT​: «SetHash.new()␤SetHash␤Tried to get the result of a broken Promise␤ in block <unit> at <tmp> line 1␤␤Original exception​:␤ Cannot modify an immutable SetHash ((SetHash))␤ in block at <tmp> line 1␤␤»

@p6rt
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@p6rt p6rt commented Mar 7, 2018

From @zoffixznet

On Sun, 04 Jun 2017 07​:12​:25 -0700, cpan@​zoffix.com wrote​:

%goods here works as expected​:

<Zoffix__> m​: my %goods is SetHash; react whenever Supply.interval(.3)
{ $++ > 3 and done; dd %goods; %goods<foo>++; }
<camelia> rakudo-moar 3755c0​: OUTPUT​:
«SetHash.new()␤SetHash.new("foo")␤SetHash.new("foo")␤SetHash.new("foo")␤»

On second iteration ends up being a type object​:

<Zoffix__> m​: react whenever Supply.interval(.3) { state %goods is
SetHash; $++ > 3 and done; dd %goods; %goods<foo>++; }
<camelia> rakudo-moar 3755c0​: OUTPUT​: «SetHash.new()␤SetHash␤Tried to
get the result of a broken Promise␤ in block <unit> at <tmp> line
1␤␤Original exception​:␤ Cannot modify an immutable SetHash
((SetHash))␤ in block at <tmp> line 1␤␤»

Another case​:

```
<Zoffix_> m​: <a b c>.grep​: { (state %code-files is SetHash = <foo bar>); LEAVE dd %code-files; }
<camelia> rakudo-moar dd2c90192​: OUTPUT​: «SetHash.new("foo","bar")␤SetHash␤SetHash␤»
```

@p6rt p6rt added the Bug label Jan 5, 2020
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