exercises-in-programming-style/21-defensive/README.md

Style #21

Constraints:

• Every single procedure and function checks the sanity of its arguments and either returns something sensible when the arguments are unreasonable or assigns them reasonable values

• All code blocks check for possible errors and escape the block when things go wrong, setting the state to something reasonable

Possible names:

• Defensive
• Realistic
• Hopeful
• Shit happens, life goes on