QBasic 1.1: DEF FN Statement

Explanation

DEF FN Statement

Defines a function.

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You are here: References Overview > QBasic 1.1 Commands List > DEF FN Statement

Syntax

DEF FNname[(parameterlist)] = expression
DEF FNname[(parameterlist)]
   [statementblock]
 FNname = expression
   [statementblock]
 EXIT DEF]
   [statementblock]
 END DEF

Description / Parameter(s)

parameterlist

One or more arguments in the following form:

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.

expression

The return value of the function.

The FUNCTION statement provides a better way to define a function.