DefDbl
Specifies a default data type for a range of variable names
DefDbl start_letter[-end_letter ][, ...]
start_letter
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.
This will make aNum a Double-precision decimal number since it is in the range of a-d:
Syntax
DefDbl start_letter[-end_letter ][, ...]
Parameters
start_letter
the 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.
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.
#lang "fblite"
DefDbl a-d
Dim aNum 'implicit: As Double
Print Len(aNum) ' Prints 8, the number of bytes in a double.
Dialect Differences
- Only available in the -lang qb and -lang fblite dialects.
Differences from QB
- None
See also
