CSC104H1 Lecture Notes - Lecture 3: Data Type
26 Sep 2016
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; the list datatype : hold multiple values in a single value (require picturing-programs) ; here are four expressions, confusingly placed on one line: 104 hello (+ 1 2 3) (triangle 15 solid blue) ; we can notice that those produce separate values by using them all at once in places where. 104 hello (+ 1 2 3) (triangle 15 solid blue)) : expects only 1 argument, but found 4. ; (define stuff 104 hello (+ 1 2 3) (triangle 15 solid blue)) ; define: expected only one expression after the variable name stuff, but found 3 extra parts. ; define: expected only one expression for the function body, but found 3 extra parts. ; making a list from multiple values using the function list". ; the function list" is our fundamental constructor for list values. ; so list is both the name of the function and the name of the datatype.
