Truthy and Falsy

In programming, anything that returns true in a conditional is called truthy. Anything that returns false in a conditional is called falsy. All object types can be described as either truthy or falsy.

• All values in ZML are truthy except nil and false. Strings, even when empty, are truthy.

• The falsy values in ZML are nil and false.

Summary

The table below summarizes what is truthy or falsy in ZML.