Names

A name, or an identifier, is a sequence of letters containing at least one letter.

Identifiers are only used to name values. They are not variables. The reserved words

• and,
• case,
• def,
• else,
• end,
• false,
• head,
• in,
• isBool,
• isFunction,
• isInt,
• isList,
• isNull,
• let,
• not,
• or,
• print,
• printList,
• produce,
• readChar,
• readInt,
• tail and
• true