Option Base

Specifies a default lower bound for array declarations

Syntax
   Option Base base_subscript

Parameters
   base_subscript
      an numeric literal value

Description
   Option Base is a statement that sets the default lower bound for any 
   following array declarations. This default remains in effect for the 
   rest of the module in which Option Base is used, and can be overridden 
   by declaring arrays with an explicit lower bound, or with another Option 
   Base statement.

   Note: initially, the default base is 0.

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

   #lang "fblite"

   Dim foo(10) As Integer      ' declares an array with indices 0-10

   Option Base 5

   Dim bar(15) As Integer      ' declares an array with indices 5-15
   Dim baz(0 To 4) As Integer  ' declares an array with indices 0-4

Dialect Differences
   * Only available in the -lang fblite and -lang qb dialects.
   * In -lang fb, Option Base is not allowed, and the default lower bound 
     is always 0.

Differences from QB
   * QBASIC only supported values of 0 or 1 for base_subscript.
   * In QBASIC the word Base was a reserved keyword, and couldn't be used 
     as a variable name.
   * Arrays must always be explicitly created in FreeBASIC.  QBASIC would 
     implicitly create an array from base_subscript to 10 if one was used 
     in code without being predefined.

See also
   * Dim
   * ReDim
   * LBound

