Directions: Use the Design Recipe to
write a function is-onscreen, which takes in an x- and y-coordinate,
and checks to see if Sam is safe on the left while also being safe on the right.
Contract and Purpose Statement |
Every contract has three parts…
___________::______________->_______
___________________________________________________________________________
Examples |
Write some examples, then circle and label what changes…
examples:
_____________ (_______)__ is ________________________________________
_____________ (________)__ is __________________________________________
end
Definition |
Write the definition, giving variable names to all your input values…
fun ___________(____):
______________________________________
end
These materials were developed partly through support of the National Science Foundation,
(awards 1042210, 1535276, 1648684, and 1738598). 
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