Block parameter complete?

Ruby Development
1

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–
ruby -ve “Proc.new{|a| p a}.call(1, 2)”
ruby 1.8.5 (2006-08-25) [i486-linux]
-e:1: warning: multiple values for a block parameter (2 for 1)
from -e:1
[1, 2]

./miniruby -ve “Proc.new{|a| p a}.call(1, 2)”
ruby 1.9.0 (2007-06-25 patchlevel 0) [i686-linux]
1

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p :lambda
f = -> (m1, m2, o1=:o1, o2=:o2, *r, p1, p2) {[m1, m2, o1, o2,
r, p1, p2]}
(4…10).each{|e|
p ary = (0…e).to_a
p f.call(*ary)
puts
}

p :Proc
pr = Proc.new{|m1, m2, m3, *r, p1, p2, p3| [m1, m2, m3, r, p1,
p2, p3]}
(0…10).each{|e|
p ary = (0…e).to_a
p ary = pr.call(*ary)
puts
}

#=>
:lambda
[0, 1, 2, 3]
[0, 1, :o1, :o2, [], 2, 3]

[0, 1, 2, 3, 4]
[0, 1, 2, :o2, [], 3, 4]

[0, 1, 2, 3, 4, 5]
[0, 1, 2, 3, [], 4, 5]

[0, 1, 2, 3, 4, 5, 6]
[0, 1, 2, 3, [4], 5, 6]

[0, 1, 2, 3, 4, 5, 6, 7]
[0, 1, 2, 3, [4, 5], 6, 7]

[0, 1, 2, 3, 4, 5, 6, 7, 8]
[0, 1, 2, 3, [4, 5, 6], 7, 8]

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
[0, 1, 2, 3, [4, 5, 6, 7], 8, 9]

:Proc
[]
[nil, nil, nil, [], nil, nil, nil]

[0]
[0, nil, nil, [], nil, nil, nil]

[0, 1]
[0, 1, nil, [], nil, nil, nil]

[0, 1, 2]
[0, 1, 2, [], nil, nil, nil]

[0, 1, 2, 3]
[0, 1, 2, [], 3, nil, nil]

[0, 1, 2, 3, 4]
[0, 1, 2, [], 3, 4, nil]

[0, 1, 2, 3, 4, 5]
[0, 1, 2, [], 3, 4, 5]

[0, 1, 2, 3, 4, 5, 6]
[0, 1, 2, [3], 4, 5, 6]

[0, 1, 2, 3, 4, 5, 6, 7]
[0, 1, 2, [3, 4], 5, 6, 7]

[0, 1, 2, 3, 4, 5, 6, 7, 8]
[0, 1, 2, [3, 4, 5], 6, 7, 8]

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
[0, 1, 2, [3, 4, 5, 6], 7, 8, 9]

2

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Tanaka A. wrote:

    from -e:2:in `m'
    from -e:3:in `<main>'

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3

In article [email protected],
SASADA Koichi [email protected] writes:

e$B!&e(Bpost arg e$B$NBP1~e(B

e$B$H$j$"$($:!"e(B

% ./ruby -ve ’
def m(&b) p b; b.yield(*[:hahaha], 0) end
m {|*x| p x }’
ruby 1.9.0 (2007-06-26 patchlevel 0) [i686-linux]
#Proc:0xb7cc42d4@-e:3
-e:2:in method_missing': undefined method yield’ for [:hahaha]:Array
(NoMethodError)
from -e:2:in m' from -e:3:in ’

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4

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:31047] block parameter complete?”
on Tue, 26 Jun 2007 00:57:16 +0900, SASADA Koichi [email protected]
writes:

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