Web Reference: Constants may be defined within classes, but unlike instance variables, they are accessible outside the class. Learn about Ruby constants, their purpose, syntax, and best practices. Discover how to use constants effectively in your Ruby programs. A constant doesn’t require any special symbol or syntax to declare. You just need to make the first letter an uppercase letter. The following are valid constants: Notice that you can’t define constants inside a method. You will get this cryptic error message: So just define your constants outside methods, typically we want to have constant definiti...
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