• C. Dunn (8/8) Jul 31 2007 Why do I need extra parentheses to get template.sizeof?
• BCS (9/20) Aug 01 2007 keep in mind that class Name(args) is actually just shorthand for
• C. Dunn (1/1) Aug 01 2007 That makes sense. Thanks.

C. Dunn <cdunn2001 gmail.com> writes:

Why do I need extra parentheses to get template.sizeof?

class A(T){
  T x;
};

int y = (A!(int)).sizeof;
int z = A!(char).sizeof; // does not compile (line 6)

hello.d(6): Error: undefined identifier class A.sizeof
hello.d(6): Error: cannot implicitly convert expression (class A.sizeof) of
type void to int

BCS <BCS pathlink.com> writes:

C. Dunn wrote:
 Why do I need extra parentheses to get template.sizeof?
 
 class A(T){
   T x;
 };
 
 int y = (A!(int)).sizeof;
 int z = A!(char).sizeof; // does not compile (line 6)
 
 hello.d(6): Error: undefined identifier class A.sizeof
 hello.d(6): Error: cannot implicitly convert expression (class A.sizeof) of
type void to int


keep in mind that class Name(args) is actually just shorthand for

template A(T){
   class A{
     T x;
   }
}

A!(int) -> A!(int).A
A!(int).sizeof -> A!(int).sizeof // doesn't exits

C. Dunn <cdunn2001 gmail.com> writes:

That makes sense.  Thanks.