Reserved keywords

What is a reserved keyword?

Reserved keywords are special identifiers, built into the compiler, which can’t be used by the user as a variable name, as they instead serve a special function (for example, starting a specific statement).

Reserved keywords in C²

Reserved keywords in C² are:

• if
• in
• or
• and
• for
• nil
• new
• try
• int
• bool
• case
• else
• enum
• func
• self
• true
• break
• catch
• defer
• false
• float
• spawn
• throw
• until
• while
• import
• repeat
• return
• string
• struct
• switch
• default
• private
• continue
• function
• optional

These can’t be used as:

• Variable names.
• Function names.
• Structure names.
• Field names.
• Argument names.