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Method#>> and Method#<< are not supported #1821

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deepj opened this issue Nov 22, 2019 · 1 comment
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Method#>> and Method#<< are not supported #1821

deepj opened this issue Nov 22, 2019 · 1 comment
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@bjfish
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compatibility quick-fix
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20.0.0

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@deepj
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deepj commented Nov 22, 2019

This is supported in MRI 2.6 when proc composition was added.

truffleruby 19.3.0, like ruby 2.6.2, GraalVM CE Native [x86_64-darwin]

To reproduce:

$ ruby -e 'p = ->(x) { x }; def a(x); x; end; method(:a) >> p'

Error:

-e:1:in `<main>': undefined method `>>' for #<Method: Object(Object)#a -e:1>:Method (NoMethodError)
@deepj deepj changed the title Method#>> is not supported Method#>> and Method#<< are not supported Nov 22, 2019
@bjfish bjfish self-assigned this Dec 11, 2019
graalvmbot pushed a commit that referenced this issue Dec 12, 2019
@bjfish
[GR-20075] Implement Method#<< and Method#>> (#1821).
192c776 
PullRequest: truffleruby/1182
@bjfish
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bjfish commented Dec 12, 2019

Thanks for the bug report @deepj . This has been resolved at 192c776.

@bjfish bjfish closed this as completed Dec 12, 2019
@eregon eregon added this to the 20.0.0 milestone Dec 12, 2019
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