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QuestionHow do I keep a player from override another player's move by reclicking a button Pin
Member 1045350931-Jan-14 9:29
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AnswerRe: How do I keep a player from override another player's move by reclicking a button Pin
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Questionc# extension methods syntax question Pin
Jon Joeney30-Jan-14 23:23
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AnswerRe: c# extension methods syntax question Pin
harold aptroot31-Jan-14 0:05
harold aptroot31-Jan-14 0:05 
You can't do that. There's simply no way to express it. You could do it if TestClass1 and TestClass2 both extend some base class or implement some interface that TestClass3 does not, but you can't express a restriction "must be subtype of TypeA or of TypeB".
Here's what the standard[^] has to say about where:
We can supply an optional list of constraints for each type parameter. A constraint indicates a requirement
that a type shall fulfill in order to be accepted as a type argument. (For example, it might have to implement
a given interface or be derived from a given base class.) A constraint is declared using the word where,
followed by a type parameter and colon (: ), followed by a comma-separated list of constraints, which can
include a class type, interface types, other type parameters, the reference type constraint “class”, the value
type constraint “struct”, and the constructor constraint “new()”

The only thing that can do is express one or several constraints that must all be fulfilled.
AnswerRe: c# extension methods syntax question Pin
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