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Held: Wednesday, 9 April 2008
Summary: We consider vectors, an alternative to files and lists for storing collections of data. We also consider how vectors can be used to represent color palettes.
(vector val1 ... valn): Create a vector
(make-vector length val): Make a vector of specified length, with duplicates of val as the contents.
(vector-ref vector position): Extract a value from a vector.
(vector-set! vector position newvalue): Change an element of a vector.
color-transparentin the original reading; updated to be
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