Enumerable can't take multiple parameters

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% ruby-1.9 -v -e ’
~
class Foo
include Enumerable
def each
{1=>2, 3=>4}.each{|k, v|
yield(k, v)
}
end
end

foo=Foo.new
foo.each{|k, v| p [k, v] }
foo.collect{|k, v| p [k, v] }

ruby 1.9.0 (2007-12-24 revision 0) [x86_64-linux]
[1, 2]
[3, 4]
[1, nil]
[3, nil]

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— lib/rexml/element.rb (revision 14606)
+++ lib/rexml/element.rb (working copy)
@@ -1013,7 +1013,7 @@
# doc.root.attributes.each {|name, value| p name+" => "+value }
def each
each_attribute do |attr|

  •    yield attr.expanded_name, attr.value
    
  •    yield [attr.expanded_name, attr.value]
     end
    
    end

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In message “Re: [ruby-dev:32708] Enumerable can’t take multiple
parameters”
on Mon, 24 Dec 2007 22:25:54 +0900, GOTOU Yuuzou
[email protected] writes:

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module Enumerable
def collect
result = []
self.each{|x| result.push(yield x)}
result
end
end

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module Enumerable
def collect
result = []
self.each{|*x| result.push(yield *x)}
result
end
end

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In article
[email protected],
GOTOU Yuuzou [email protected] writes:

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In message “Re: [ruby-dev:32708] Enumerable can’t take multiple parameters”
on Mon, 24 Dec 2007 22:25:54 +0900, GOTOU Yuuzou [email protected] writes:

module Enumerable
def collect
result = []
self.each{|*x| result.push(yield *x)}
result
end
end

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In message E1J6pjL-0004zA-0g@localhost,
`Yukihiro M. [email protected]’ wrote:

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def each
@hash.each do |k, v|
yield(k, v)
end
end

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In message [email protected],
`Tanaka A. [email protected]’ wrote:

In article [email protected],
GOTOU Yuuzou [email protected] writes:

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