Forces variables, objects and arrays to be declared before they are used

Option Explicit

Option Explicit is a statement that forces any following variable, object or array usage to be preceded by a declaration, with, for example, Dim or Static. This rule remains in effect for the rest of the module in which Option Explicit is used, and cannot be overridden.

'' Compile with the "-lang qb" or "-lang fblite" compiler switches

#lang "fblite"

Option Explicit

Dim a As Integer            ' 'a' must be declared..
a = 1                       ' ..or this statement will fail to compile.

Dialect Differences:
Differences from QB:
See also:
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