RosettaCodeData/Task/Constrained-genericity/J/constrained-genericity-3.j

   lunch=:'' conew 'FoodBox'
   a1=: conew 'Apple'
   a2=: conew 'Apple'
   add__lunch a1
   add__lunch a2
   george=: conew 'Connoisseur'
   add__lunch george
|inedible: assert
2016 Update 2016-12-05 22:15:40 +01:00			`lunch=:'' conew 'FoodBox'`
A-M baby 2013-04-10 21:29:02 -07:00			`a1=: conew 'Apple'`
			`a2=: conew 'Apple'`
			`add__lunch a1`
			`add__lunch a2`
			`george=: conew 'Connoisseur'`
			`add__lunch george`
			`\|inedible: assert`