inconsistent Method.arity
-------------------------
Key: JRUBY-2325
URL: http://jira.codehaus.org/browse/JRUBY-2325
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.1RC3
Reporter: Jaroslav Libak
Method.arity behaves differently for initialize method. If we create initialize
method taking 2 parameters, arity will return -1. When we try to create
instance of this class, we get exception that we didn't supply enough arguments
which is correct. So I think arity in this case should be 2 as well. Other
custom method "mymethod" taking 2 parameters returns arity 2.
Please verify how should arity actually behave.
class Test
def initialize(a, b)
end
def mymethod(a, b)
end
end
irb(main):007:0> Test.method(:initialize).arity
=> -1
irb(main):010:0> a = Test.new
ArgumentError: wrong number of arguments(0 for 2)
from (irb):11:in `initialize'
from (irb):11:in `new'
from (irb):11:in `signal_status'
irb(main):011:0> a = Test.new(1, 2)
=> #<Test:0x140d415>
irb(main):012:0> a.method(:mymethod).arity
=> 2
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