Dynamically referencing class constants?

Ruby
1

How can I do this?

Socket.constants.each {|i|
puts Socket::#{i} ##does not work of course
}

#################################
Futile attempts:

irb(main):023:0> puts Socket::SEEK_CUR ##works of course, the rest
does
not
1
irb(main):029:0> puts Socket.new.SEEK_CUR
ArgumentError: wrong number of arguments (0 for 3)
from (irb):29:in initialize' from (irb):29:innew’
from (irb):29
irb(main):030:0> x = “SEEK_CUR”
=> “SEEK_CUR”
irb(main):031:0> Socket::#{x}
irb(main):032:0*
irb(main):033:0* end
NoMethodError: undefined method end' for Socket:Class from (irb):33 irb(main):034:0> Socket::send("SEEK_CUR") NoMethodError: undefined methodSEEK_CUR’ for Socket:Class
from (irb):34:in `send’
from (irb):34

2

On 6/13/07, list. rb [email protected] wrote:

irb(main):023:0> puts Socket::SEEK_CUR ##works of course, the rest does
irb(main):032:0*
irb(main):033:0* end
NoMethodError: undefined method end' for Socket:Class from (irb):33 irb(main):034:0> Socket::send("SEEK_CUR") NoMethodError: undefined method SEEK_CUR’ for Socket:Class
from (irb):34:in `send’
from (irb):34

Socket.const_get(“SEEK_CUR”)

3

On Thu, 2007-06-14 at 10:16 +0900, list. rb wrote:

How can I do this?

Socket.constants.each {|i|
puts Socket::"#{i}" ##does not work of course
}

puts “Socket::#{i}”

4

A++

Thanks alot

5

On Thu, 2007-06-14 at 10:26 +0900, Reid T. wrote:

On Thu, 2007-06-14 at 10:16 +0900, list. rb wrote:

How can I do this?

Socket.constants.each {|i|
puts Socket::"#{i}" ##does not work of course
}

puts “Socket::#{i}”

doh!!! sorry, missed the dereference…