Referenced from lesson Defining Table Functions

For the word problems below, assume animalA and animalB are defined as the data rows for Felix and Midnight, respectively.

Directions: Define a function called lookup-fixed, which looks up whether or not an animal is fixed.

Contract and Purpose Statement

Every contract has three parts…​

# lookup-fixed::(r :: Row)->Boolean

# Consumes an animal, and looks up the value in the fixed column.

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 lookup-fixed(r):

__r["fixed"]

end

Directions: Define a function called lookup-sex, which consumes a Row of the animals table and looks up the sex of that animal.

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). CCbadge Bootstrap:Data Science by Emmanuel Schanzer, Nancy Pfenning, Emma Youndtsmith, Jennifer Poole, Shriram Krishnamurthi, Joe Politz, Ben Lerner, Flannery Denny, and Dorai Sitaram with help from Eric Allatta and Joy Straub is licensed under a Creative Commons 4.0 Unported License. Based on a work at www.BootstrapWorld.org. Permissions beyond the scope of this license may be available by contacting schanzer@BootstrapWorld.org.