Sort with block : Set « Collections « Ruby

1. Ruby
2. Collections
3. Set

Sort with block

require 'set'

w = Set['apple','Beet','carrot']  # A set of words to sort
w.sort                         # ['Beet','apple','carrot']: alphabetical
w.sort {|a,b| b<=>a }          # ['carrot','apple','Beet']: reverse
w.sort {|a,b| a.casecmp(b) }   # ['apple','Beet','carrot']: ignore case
w.sort {|a,b| b.size<=>a.size} # ['carrot','apple','Beet']: reverse length

 

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