Define a function called is-old, which consumes a Row of the animals table and computes whether it is more than 12 years old. HINT: use predefined rows like old-row to make your examples easier!

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

Define a function called name-has-s, which returns true if an animal’s name contains the letter "s". HINT: The name of the animal in cat-row is "Sasha" and the name of the animal in dog-row is "Toggle".

Contract and Purpose Statement

Every contract has three parts…​

__________::___->_______

_

Examples

Write some examples, then circle and label what changes…​

examples:

name-has-s (cat-row) is _______________________________________

name-has-s (dog-row) is _________________________________________

end

Definition

Write the definition, giving variable names to all your input values…​

fun name-has-s(r):

_______________________________

end

These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, 1738598, 2031479, and 1501927). CCbadge Bootstrap by the Bootstrap Community is licensed under a Creative Commons 4.0 Unported License. This license does not grant permission to run training or professional development. Offering training or professional development with materials substantially derived from Bootstrap must be approved in writing by a Bootstrap Director. Permissions beyond the scope of this license, such as to run training, may be available by contacting contact@BootstrapWorld.org.