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First class environments: Difference between revisions
→{{header|Ruby}}
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Line 1,008:
# Until all values are 1:
envs.each do |e|
e.instance_eval do # Use environment _e_
printf "%4s", @n
@cnt += 1 # Increment step count
@n = if
@n * 3 + 1
else
Line 1,039:
binding
end
eval(<<-
n, cnt = nil, 0
proc {|arg| n = arg}
end
# Until all values are 1:
envs.each do |e|
eval(<<-
printf "%4s", n
cnt += 1
n = if
n * 3 + 1
else
Line 1,059:
end
end
end
puts
Line 1,065:
puts '=' * 48
envs.each do |e| # For each environment _e_
eval(
end
puts</lang>
{{out}}
<pre>
1 2 3 4 5 6 7 8 9 10 11 12
1 1 10 2 16 3 22 4 28 5 34 6
1 1 5 1 8 10 11 2 14 16 17 3
1 1 16 1 4 5 34 1 7 8 52 10
1 1 8 1 2 16 17 1 22 4 26 5
1 1 4 1 1 8 52 1 11 2 13 16
1 1 2 1 1 4 26 1 34 1 40 8
1 1 1 1 1 2 13 1 17 1 20 4
1 1 1 1 1 1 40 1 52 1 10 2
1 1 1 1 1 1 20 1 26 1 5 1
1 1 1 1 1 1 10 1 13 1 16 1
1 1 1 1 1 1 5 1 40 1 8 1
1 1 1 1 1 1 16 1 20 1 4 1
1 1 1 1 1 1 8 1 10 1 2 1
1 1 1 1 1 1 4 1 5 1 1 1
1 1 1 1 1 1 2 1 16 1 1 1
1 1 1 1 1 1 1 1 8 1 1 1
1 1 1 1 1 1 1 1 4 1 1 1
1 1 1 1 1 1 1 1 2 1 1 1
================================================
0 1 7 2 5 8 16 3 19 6 14 9
</pre>
=={{header|Tcl}}==
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