Re: What are expressions? (ByRef)

[Norman Palardy <npalardy at great-white-software dot com>]

On Jun 30, 2005, at 10:45 AM, Jonathan Johnson wrote:

> In a situation like this, it becomes ambiguous:
>
> Sub Foo( s as String )
>  ... do something
> End Sub
> Function Foo( d as Date ) as Date
>  ... do something
> End Function
>
> Foo(new Date).SQLDate
>
> Disallowing the dot operator on a parenthesized subexpression allows 
> you to know that "new date" in this context will always be considered 
> to be a parameter to the Foo function. Granted, the above is a very 
> tricky thing that I wouldn't ever want to see in my project (the 
> overloaded Foo taking different types, and lacking or returning a 
> different type), it's still technically legal.
is it primarily because date has a conversion to string and so both 
signatures match ?
I can see how that would be ambiguous

the odd thing is that it does work if you do

          "the beginning" + New Date.SQLDate() + "and the end"

so I dont understand why additional parens would make it ambiguous

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