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Identifiers

Identifiers in Rittle are all words that identify something to use, or something to do – variables, function names, reserved keywords. They all follow the same naming rules for identifiers.

An identifier is a single continuous word with no spaces, must start with a Latin letter or the underscore character, and can contain only Latin letters, digits, and underscore characters.

So, in examples:

A12     record     Next_ID     _name     field7

…are all valid identifiers.

Some invalid identifiers:

9pp (doesn’t start with a letter)     Error! (contains an invalid character)

            …are invalid identifiers.

 

All identifiers in Rittle are case-sensitive.

That means for example ‘data, ‘Data, and ‘datA, are three different identifiers from language perspective.