On Thu, Sep 02, 2021 at 04:01:19PM +0000, DLearner via Digitalmars-d-learn
wrote:
> Suppose there is a variable that is set once per run, and is
> (supposed) never to be altered again. However, the value to which it
> is set is not known at compile time.
This is the classic use case of `immutable`. Using the example you
gave, you'd move the initialization of ArrPtr into a static module
constructor:
immutable void* ArrPtr;
shared static this() {
ArrPtr = ...; // initialize it here
}
void main() {
... // ArrPtr is immutable from here on.
}
T
--
Дерево держится корнями, а человек - друзьями.
