<< Click to Display Table of Contents >> Navigation:  ThinBASIC Core Language > Script structure > Conditional parsing statements > #DEF

 

Description

 

Check if a variable exists with the given name.

 

Syntax

 

n = #DEF(VariableName)

n = %DEF(VariableName)

 

Returns

 

Number: %TRUE or %FALSE

 

Parameters

 

 

Remarks

 

#DEF is an alias of Variable_Exists function.

#DEF and %DEF are exactly the same thing in thinBasic. They were both developed in thinBasic mainly for compatibility with other languages so porting code from sources defined in other languages would result in a more easy task.

 

Restrictions

 

See also

 

Examples