Smurf Eater: Solid Smurf
Array#first and Array#last parameters

rubyquicktips:

Did you know you can pass a number parameter to Array#first and Array#last?

x = [1,2,3,4,5,6,7,8,9,10]

x.first 5 
=> [1,2,3,4,5] 

x.last 2 
=> [9,10] 

This tip was submitted by Alfred Nagy.

  1. rubyloveinfo reblogged this from rubyquicktips
  2. kimooz reblogged this from rubyquicktips
  3. smurfeater reblogged this from rubyquicktips
  4. rubyquicktips posted this
Blog comments powered by Disqus