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Unary Operators (C# and Delphi Cross Reference Guide)

By Mike Prestwood

C# versus Delphi: A side by side comparison between C# and Delphi.

Operators

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

Unary Operators

[Other Languages]

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

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

C#:

An operation with only one operand (a single input). The following are the C# unary operators: +, -, !, ~, ++, --, true, or false.

C# Unary Operators

Delphi:

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,

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