chickadee » hascheme » length<?

length>=? list nprocedure
length>? list nprocedure
length<=? list nprocedure
length<? list nprocedure
length=? list nprocedure

Determine the size of the list by looking at only n elements. This will decide the size of finite or infinite lists in all cases where n is not infinite. All list lengths are less than or equal to infinity, and all lists are not greater than infinity.