Scheme built-in to check list containment -


In Python I can do "list in x" to see if the list is X Has been made an equivalent in?

, and R6RS memq , memv And member can be used for that purpose.


Comments

Popular posts from this blog

iphone - How do I make a UIPickerView in a UIActionSheet -

java - Is there an object like a "Set" that can contain only unique string values, but also contain a count on the number of occurrences of the string value? -