Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

VHDL question

Hi all! According to std.standard: TYPE string IS ARRAY ( positive RANGE <> OF character); "hello" is a valid string litteral "" is a valid string litteral too, it is the empty stri...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I dont think there is. Could you explain why you want to do it?

another less "clean" way - declare a pointer to foo.

type foo_ptr_t is access foo;

variable foo_ptr : foo_ptr_t;

and then you can actually compare it to null:

if foo_ptr = null then

...etc

But that is getting rather extreme.