"Ref and Out are the same for the CLR, but not for the compi

ref and out are treated differently at run-time but they are treated same at compile time (CLR doesn't differentiates between the two while it created IL for ref and out). Hence methods cannot be overloaded when one method takes a ref parameter and other method takes an out parameter

So that This will not work

class MyClass
{
public void Method(out int a) // compiler error “cannot define overloaded”
{
// method that differ only on ref and out"
}
public void Method(ref int a)
{
// method that differ only on ref and out"
}
}

instead of this you need to do

class MyClass
{
public void Method(int a)
{
}
public void Method(out int a)
{
// method differ in signature.
}
}

I Hope it will helpful for you

1 Reply

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Jenith Thakkar8y ago
Accepted answer
Hi

ref and out are treated differently at run-time but they are treated same at compile time (CLR doesn't differentiates between the two while it created IL for ref and out). Hence methods cannot be overloaded when one method takes a ref parameter and other method takes an out parameter

So that This will not work
class MyClass
{
public void Method(out int a) // compiler error “cannot define overloaded”
{
// method that differ only on ref and out"
}
public void Method(ref int a)
{
// method that differ only on ref and out"
}
}
instead of this you need to do
class MyClass
{
public void Method(int a)
{
}
public void Method(out int a)
{
// method differ in signature.
}
}
I Hope it will helpful for you
0