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Dir : /proc/thread-self/root/opt/alt/ruby18/share/ri/1.8/system/Enumerable/
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Dir : //proc/thread-self/root/opt/alt/ruby18/share/ri/1.8/system/Enumerable/first-i.yaml

--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Returns the first element, or the first <tt>n</tt> elements, of the enumerable. If the enumerable is empty, the first form returns <tt>nil</tt>, and the second form returns an empty array.
full_name: Enumerable#first
is_singleton: false
name: first
params: |
  enum.first      -> obj or nil
  enum.first(n)   -> an_array

visibility: public