Class | Rinda::Template |
In: |
lib/rinda/rinda.rb
|
Parent: | Tuple |
Matches this template against tuple. The tuple must be the same size as the template. An element with a nil value in a template acts as a wildcard, matching any value in the corresponding position in the tuple. Elements of the template match the tuple if the are #== or #===.
Template.new([:foo, 5]).match Tuple.new([:foo, 5]) # => true Template.new([:foo, nil]).match Tuple.new([:foo, 5]) # => true Template.new([String]).match Tuple.new(['hello']) # => true Template.new([:foo]).match Tuple.new([:foo, 5]) # => false Template.new([:foo, 6]).match Tuple.new([:foo, 5]) # => false Template.new([:foo, nil]).match Tuple.new([:foo]) # => false Template.new([:foo, 6]).match Tuple.new([:foo]) # => false
# File lib/rinda/rinda.rb, line 148 148: def match(tuple) 149: return false unless tuple.respond_to?(:size) 150: return false unless tuple.respond_to?(:fetch) 151: return false unless self.size == tuple.size 152: each do |k, v| 153: begin 154: it = tuple.fetch(k) 155: rescue 156: return false 157: end 158: next if v.nil? 159: next if v == it 160: next if v === it 161: return false 162: end 163: return true 164: end