why we use operator overloading as static?

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why we use public static keyword with operator overloading can it is possible that we not use these keywords?

Posted 28-Oct-11 0:46am

muzamil1

Updated 28-Oct-11 0:56am

Richard MacCutchan

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CPallini · Answer 1 · 2011-10-28T01:04:00

Solution 1

It was a C# design decision, see Eric Lippert's "Why are overloaded operators always static in C#?" for some insight.

Posted 28-Oct-11 1:04am

CPallini

Richard MacCutchan · Answer 2 · 2011-10-28T01:04:00

Solution 2

See the description here[^].

Posted 28-Oct-11 1:04am

Richard MacCutchan

OriginalGriff · Answer 3 · 2011-10-28T01:14:00

Simply because an operator overload does not reference a class: it takes parameters and returns a value, but it does not have access to the this object or any non static members of the class.
If you write a overload for the logical not operator '!' then it takes a single parameter - the class instance to perform the operation on.

It is a static method, so it needs the static keyword.