For the word problems below, assume fixed-row and unfixed-row are already defined as data rows.
Directions: Define a function called lookup-fixed, which looks up whether or not an animal is fixed. We’ve started both examples for you.
Contract and Purpose Statement |
Every contract has three parts…
____________::___->_______
__________________________________________________
Examples |
Write some examples, then circle and label what changes…
examples:
__lookup-fixed (fixed-row)__ is __________________
__lookup-fixed (unfixed-row)__ is ____________________
end
Definition |
Write the definition, giving variable names to all your input values…
fun lookup-fixed(r):
____________
end
Directions: Define a function called lookup-name, which consumes a Row of the animals table and looks up the name of that animal.
Contract and Purpose Statement |
Every contract has three parts…
lookup-name::Row->String
Consumes an animal, and looks up the name
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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