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Bug #12568
closedwrong ArgumentError if an array is given for instance_exec with optional argument
Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.4.0dev (2016-07-08 trunk 55607) [x86_64-darwin15]
Backport:
Description
From Ruby 2.2 to trunk, it wrongly raise ArgumentError as follows:
Sample code:
instance_exec([1,2,3]){|a| p a}
instance_exec([1,2,3]){|a=[]| p a}
instance_exec([1,2,3], &->(a){ p a })
->(a=[]){ p a }.to_proc.call([1,2,3])
instance_exec([1,2,3], &->(a=[]){ p a })
Expected result:
[1, 2, 3]
[1, 2, 3]
[1, 2, 3]
[1, 2, 3]
[1, 2, 3]
Actual result:
[1, 2, 3]
[1, 2, 3]
[1, 2, 3]
[1, 2, 3]
test.rb:7:in `block in <main>': wrong number of arguments (given 3, expected 0..1) (ArgumentError)
from test.rb:7:in `instance_exec'
from test.rb:7:in `<main>'
This issue affect https://github.com/rails/rails/pull/25699
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