Help Center
Help CenterFreeBASIC

DefDblkeyword

Specifies a default data type for a range of variable names

Compiler Switcheskeyworddocumented

Syntax

DefDbl start_letter[-end_letter ][, ...]

Parameters

NameDescription
start_letterthe first letter in the range
end_letterthe last letter in the range

Description


DefDbl specifies that variables and arrays which aren't declared with a data type - or not declared at all - are implicitly declared of type Double if the first letter of their names matches a certain letter or lies within an inclusive range of letters.

Remarks

Dialect Differences


Differences from QB


  • None

See also


Example


This will make aNum a Double-precision decimal number since it is in the range of a-d:
'' Compile with -lang fblite or qb



#lang "fblite"



DefDbl a-d

Dim aNum 'implicit: As Double



Print Len(aNum) ' Prints 8, the number of bytes in a double.


Reference

  • Documented in KeyPgDefdbl.html