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 CompilerOptlang-lang fblite and CompilerOptlang-lang qb dialects.
	* In CompilerOptlang-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
	* KeyPgDimDim
	* KeyPgRedimReDim
	* KeyPgLboundLBound

