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   ► KBTo/From GuidesDelphi Prism  Print This     

Logical Operators (Delphi Prism and ASP Classic Cross Reference Guide)

By Mike Prestwood

Delphi Prism versus ASP Classic: A side by side comparison between Delphi Prism and ASP Classic.

 
Operators
 

A language symbol used for assignment, comparison, computational, or as a logical.

Logical Operators

[Other Languages] 

Languages Focus

Logical operators perform conditional and, or, and not operations. Some languages support both binary logical operators that link two and unary logical operators negate (make opposite) the truth value of its argument. Finally, some languages short circuit logic. For example, with this or that, if this is an expression returning true, then that is never executed.

Delphi Prism: 

Prism logical operators:

and and, as in this and that
or or, as in this or that
not Not, as in Not This
xor either or, as in this or that but not both

Syntax Example:  
//Given expressions a, b, c, and d:
if Not (a and b) and (c or d) then
  //Do something.
ASP Classic:   and, or, not

Same as VB. ASP Classic logical operators:

and and, as in this and that
or or, as in this or that
Not Not, as in Not This

ASP Classic never short circuits. Given the expression this or that as well as this and that, if this evaluates to false, then that is still executed.

Syntax Example:
'Given expressions a, b, c, and d:
If Not (a and b) and (c or d) Then
  'Do something.
End If












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