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   ► KBProgrammingDelphi for W...Language Basics   Print This     
  From the July 2010 Issue of Prestwood eMag
 
Delphi Language Basics:
Delphi Unary Operators
 
Posted 16 years ago on 11/6/2008 and updated 2/19/2009
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KB101559

General Info: Unary Operator

An operation with only one operand (a single input). Common unary operators include + plus, - minus, and bitwise not. Some operators can function as both unary and binary operators. For example, + and - operators can serve as either.

Languages Focus: Unary Operators

What unary operators are supported in additoin to the standard plus, minus, and bitwise not.

Delphi Unary Operators

An operation with only one operand (a single input). In Object Pascal, a unary operator has the highest precedence and always precedes its operand (for example, -B), except for the  ^ pointer operator, which follows its operand (for example, P^). In addition to the obvious +, -, and Not operators, Delphi also offers:

^ Pointer
@ returns the address of a variable, function, procedure, or method; a pointer to its operand.
inc() Increment
dec() Decrement

The TYPE operator is also a unary operator and is valuated at compile time. The TYPE operator returns the size in bytes of the operand,

More Info

Definition:  Unary Operator

Comments

1 Comments.
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First Comment
Comment 1 of 4

@geometry dash Thank you for offering this information; it is both useful and practical. 

Posted 42 days ago

Comment 2 of 4

Mike Prestwood’s overview of Delphi Unary Operators sheds light on the various unary operators available in Object Pascal. Just as in wordle unlimited where each move is crucial and impacts the outcome understanding unary operators is key for precise coding. Delphi offers standard unary operators like + - and Not and unique ones such as ^ for pointers @ for addressing and inc()/dec() for incrementing and decrementing. The TYPE operator evaluated at compile time provides the size in bytes of an operand showcasing Delphi’s comprehensive approach to handling unary operations.

Posted 40 days ago

Comment 3 of 4

Mike Prestwood’s overview of Delphi Unary Operators highlights essential operators in Object Pascal similar to strategic moves in Monkey Mart where every decision counts. Understanding unary operators like + - and Not is vital for precise coding. Unique operators such as ^ for pointers and inc()/dec() for value adjustments enhance functionality. The TYPE operator evaluated at compile time reveals operand sizes showcasing Delphi’s thorough handling of unary operations.

Posted 37 days ago

Latest Comment
Comment 4 of 4

Exploring Delphis unary operators is essential for effective programming. In 2008 Mike Prestwood provided insights that remain valuable just like mastering iconic games like Friday Night Funkin . Whether youre coding or gaming the challenge lies in understanding the fundamentals. 

Posted 32 days ago
 
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Code Contributed By Mike Prestwood:

Mike Prestwood is a drummer, an author, and creator of the PrestwoodBoards online community. He is the President & CEO of Prestwood IT Solutions. Prestwood IT provides Coding, Website, and Computer Tech services. Mike has authored 6 computer books and over 1,200 articles. As a drummer, he maintains play-drums.com and has authored 3 drum books. If you have a project you wish to discuss with Mike, you can send him a private message through his PrestwoodBoards home page or call him 9AM to 4PM PST at 916-726-5675 x205.

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