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Declares a FUNCTION or SUB procedure and invokes argument data type checking.
 
DECLARE {FUNCTION | SUB} name [([parameterlist])]
 
    ■ name             The name of the procedure.
    ■ parameterlist    One or more variables that specify parameters to be
                       passed to the procedure when it is called:
 
                       variable[( )] [AS type] [, variable[( )] [AS type]]...
 
                       variable    A Basic variable name.
                       type        The data type of the variable (INTEGER,
                                   LONG, SINGLE, DOUBLE, STRING, or a
                                   user-defined data type). ANY allows any
                                   data type.
 
    ■ DECLARE is required if you call SUB procedures without CALL. QBasic
      automatically generates DECLARE statements when you save your program.
 
Example:
    The program REMLINE.BAS illustrates declaring FUNCTION and SUB
    procedures. To view or run this program, load REMLINE.BAS using the Open
    command from the File menu.
 
See Also    ◄CALL►    ◄FUNCTION►    ◄SUB►