1#@!#!123s

: / opt / alt / ruby18 / share / ri / 1.8 / system / Array /
Filename : fetch-i.yaml
back
--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Tries to return the element at position <em>index</em>. If the index lies outside the array, the first form throws an <tt>IndexError</tt> exception, the second form returns <em>default</em>, and the third form returns the value of invoking the block, passing in the index. Negative values of <em>index</em> count from the end of the array.
- !ruby/struct:SM::Flow::VERB 
  body: "   a = [ 11, 22, 33, 44 ]\n   a.fetch(1)               #=&gt; 22\n   a.fetch(-1)              #=&gt; 44\n   a.fetch(4, 'cat')        #=&gt; &quot;cat&quot;\n   a.fetch(4) { |i| i*i }   #=&gt; 16\n"
full_name: Array#fetch
is_singleton: false
name: fetch
params: |
  array.fetch(index)                    -> obj
  array.fetch(index, default )          -> obj
  array.fetch(index) {|index| block }   -> obj

visibility: public