chickadee » records » make-record-type

make-record-type type-name field-namesprocedure

Returns a "record-type descriptor", a value representing a new datatype disjoint from all others. The TYPE-NAME argument must be a symbol or a string. The FIELD-NAMES argument is a list of symbols naming the "fields" of a record of the new type. It is an error if the list contains any duplicates.