call sort with a block
From http://practicalruby.blogspot.com/2006/05/call-sort-with-block.html:
I needed to sort a list of partners today so I added:
However, I could have just done:
Doc for sort here.
From Comments:
You could also have used sort_by as long as the target supports the spaceship operator. ie:
With active_support required (or 'facet/symbol/to_proc' from the facets library) you can even:
Sweet.
I needed to sort a list of partners today so I added:
class Partner def <=>(other) self.name <=> other.name end end
However, I could have just done:
Partner.find(:all).sort { |one, other| one.name <=> other.name }
Doc for sort here.
From Comments:
You could also have used sort_by as long as the target supports the spaceship operator. ie:
Partner.find(:all).sort_by { |partner| partner.name }
With active_support required (or 'facet/symbol/to_proc' from the facets library) you can even:
Partner.find(:all).sort_by(&:name)
Sweet.
