Control Invocation Syntax++

Bruce Chapman bruce.chapman at
Tue Dec 22 13:10:48 PST 2009

Peter Levart said:

First, the syntax of parenthesized expression migh allow the expression in
it to be optional:

        ( [BlockStatements] Expression ) 
        ( BlockStatements )

I respond:

But a ParExpression is a kind of expression, so in your second form, what
would be the value and type of that expression since statements don't have
value or type?  I guess there is no answer which is why the expression is

Bruce Chapman

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